Document:

FIRST AMENDMENT TO STOCK PLEDGE AGREEMENT

         THIS FIRST AMENDMENT TO STOCK PLEDGE AGREEMENT (the "First  Amendment")
is made  and  entered  into as of the 28th day of  December,  2001 by and  among
Altair  International,  Inc., an Ontario  corporation  ("Pledgor") and Doral 18,
LLC, a Cayman Islands limited liability company ("Pledgee").

                              Preliminary Statement

         A. Pledgor and Pledgee  previously  entered into a Securities  Purchase
Agreement dated as of December 15, 2000 (the  "Securities  Purchase  Agreement")
pursuant  to which  Pledgee  agreed to  purchase  from  Pledgor an Asset  Backed
Exchangeable Term Note dated as of December 15, 2000 (the "Prior Note")

         B. Pledgor owns one hundred  percent (100%) of the shares of the common
stock (the  "Securities") of Mineral Recovery Systems,  Inc.  ("Mineral Recovery
Systems"),  a Nevada  corporation  and Mineral  Recovery  Systems  owns  certain
leasehold interests in mineral deposits located in Tennessee (the "Leaseholds").

         C. As security for the payments to be made to Pledgee by Pledgor  under
the Prior  Note,  Pledgor  granted to Pledgee a security  interest in and to the
Securities  and caused Mineral  Recovery  Systems to grant to Pledgee a security
interest in the Leaseholds to secure Pledgor's  obligations under the Prior Note
pursuant to that certain  Stock Pledge  Agreement  dated as of December 15, 2000
(the "Prior Stock Pledge Agreement").

         D.  Pledgor  and certain of  Pledgor's  affiliates  (collectively,  the
"Altair  Parties") and Pledgee have agreed to enter into a Note  Termination and
Issuance  Agreement  dated as of the date hereof (the  "Termination  Agreement")
pursuant to which the Prior Note will be terminated in its entirety and replaced
with that certain  Secured Term Note dated as of the date hereof in the original
principal  amount of  $2,000,000  (the "New  Note") to be executed by the Altair
Parties in favor of the Pledgee;

         E. Pledgee has required as a condition  precedent to its  execution  of
the  Termination  Agreement that the Prior Stock Pledge  Agreement be amended on
the terms set forth in this First Amendment.

         NOW,  THEREFORE,  in consideration of the premises set forth herein, it
is hereby agreed as follows:

         1. Incorporation of Recitals/Defined  Terms. All the recitals contained
herein and in the Prior Stock Pledge Agreement are hereby  incorporated into and
made a part of this  First  Amendment.  Capitalized  terms  used  herein and not
otherwise  defined  herein  shall have the  meanings  given to such terms in the
Termination Agreement or the New Note.

                                       1
<PAGE>

         2. Leaseholds  as  Collateral.   Section  9 of the Prior  Stock  Pledge
Agreement is hereby deleted in its entirety and the following  shall be inserted
and substituted therefor:

                  9.       Delivery  of  Additional  Collateral/Disbursement  of
                           Sale  Proceeds.  On or  prior  to  January  7,  2002,
                           Pledgor  shall be  obligated  to deliver to Pledgee a
                           fully  executed  original  copy  of  an  Amended  and
                           Restated  Absolute  Assignment  of  Leases  and Rents
                           substantially  in the form attached hereto as Exhibit
                           A (the "Lease Assignment")  covering Mineral Recovery
                           Systems'  interests in the mineral deposits which are
                           described  in the  Memoranda  of  Mineral  Leases set
                           forth in  Exhibit B  attached  hereto  (the  "Mineral
                           Leases").  Pledgee,  at its sole  cost  and  expense,
                           shall have the right to record  the Lease  Assignment
                           in the  proper  jurisdictions  to  perfect  Pledgee's
                           security  interest  in  Mineral  Leases  at any  time
                           during the term of the New Note.

                           In the  event  that  the  Mineral  Leases  are  sold,
                           subleased,   assigned  or  otherwise  transferred  (a
                           "Mineral Lease  Transfer")  prior to the repayment to
                           Pledgee  of all the  amounts  due under the New Note,
                           Pledgor  shall cause all or a portion of the proceeds
                           from such Mineral  Lease  Transfer to be delivered to
                           Pledgee in the amount equal to the greater of (i) 50%
                           of the proceeds of the Mineral Lease  Transfer,  (ii)
                           $500,000  or (iii)  the  principal  amount of the New
                           Note then  outstanding  plus any  accrued  but unpaid
                           interest applicable  thereto,  which shall be applied
                           by Pledgee to satisfy any payment  obligations of the
                           Altair  Parties under the New Note due at the time of
                           such  Mineral  Lease  Transfer  and,  thereafter,  to
                           reduce  (without  prepayment  penalty) the  remaining
                           outstanding  principal balance of the New Note to the
                           extent  additional  proceeds  from the Mineral  Lease
                           Transfer are  available.  In addition,  in connection
                           with  any  Mineral  Lease  Transfer,   Pledgee,  upon
                           receipt of ten (10) days' written notice from Pledgor
                           confirming the proceeds received by Pledgee from such
                           Mineral  Lease  Transfer will be delivered to Pledgor
                           pursuant  to the  terms  hereof,  shall,  at its  own
                           expense,  take all steps necessary to cause the Lease
                           Assignment   recorded   against  the  Mineral  Leases
                           subject  to  the   Mineral   Lease   Transfer  to  be
                           terminated  and all liens with respect  thereto to be
                           released  as of  the  closing  of the  Mineral  Lease
                           Transfer.  Furthermore,  Pledgee shall take all steps
                           necessary  to cause  the Lease  Assignments  recorded
                           against  all of the Mineral  Leases to be  terminated
                           and all liens with  respect  thereto  to be  released
                           upon the  repayment  of all amounts due under the New
                           Note.

                                       2
<PAGE>

         3. Actions to Maintain  Pledgee's  Security Interest in the Collateral.
Pledgor agrees to provide  Pledgee  promptly upon request with all documents and
information  with respect to the Mineral  Leases and the real  property  related
thereto in order for  Pledgee to perfect  its  security  interest in the Mineral
Leases. Pledgor and Mineral Recovery Systems shall, at Pledgee's request, at any
time and from time to time during the term of the New Note,  execute and deliver
to Pledgee such financing statements, amendments and other documents and do such
acts as Pledgee  deems  necessary  in order to  establish  and  maintain  valid,
attached and perfected  first  security  interests in the Mineral Leases and the
Securities  in favor of  Pledgee,  free and clear of all liens  and  claims  and
rights of third parties whatsoever.  Pledgor and Mineral Recovery Systems hereby
irrevocably authorize Pledgee at any time, and from time to time, to file in any
jurisdiction  any initial  financing  statements  and  amendments  thereto  that
describe the  Securities  and the Mineral Leases as collateral for the repayment
of the  amounts due under the New Note and which  contain any other  information
required  by  Section  5 of  Article  9 of the  Uniform  Commercial  Code of the
jurisdiction  wherein such financing  statement or amendment is filed  regarding
the  sufficiency  or filing  office  acceptance  of any  financing  statement or
amendment,  including  (i) any  organization  identification  number  issued  to
Pledgor  or  Mineral  Recovery  Systems,  and  (ii) in the  case of a  financing
statement  filed as a  fixture  filing  or  indicating  the  Mineral  Leases  as
"as-extracted  collateral",  a sufficient  description of real property to which
the Mineral Leases relates.  Pledgor and Mineral Recovery Systems further ratify
and affirm their  authorization  for any financing  statements and/or amendments
thereto,  executed and filed by Pledgee in any jurisdiction prior to the date of
this First Amendment.

         4. Continuing Obligations. Except as expressly modified pursuant to the
terms of this  First  Amendment,  all of the terms and  provisions  of the Prior
Stock Pledge  Agreement  remain in full force and effect as if restated  herein.
Except as provided herein,  this First Amendment does not constitute a waiver by
the Pledgor of any rights or  remedies  it may have  pursuant to the Prior Stock
Pledge Agreement. Pursuant to the terms of the Termination Agreement and the New
Note,  Pledgor  hereby  acknowledges  and  agrees  that the Prior  Stock  Pledge
Agreement,  as amended  hereby,  shall continue to secure the obligations of the
Altair Parties under the New Note.

         5. Successors and Assigns. This First Amendment shall be binding on the
Pledgor,  mineral Recovery Systems, and their respective successors and assigns,
and shall inure to the benefit of the Pledgee and its successors and assigns.

         6.  Governing  Law.  This  First  Amendment  shall be  governed  by and
construed in  accordance  with the internal laws (as opposed to the conflicts of
law provisions) of the State of Illinois.

                                       3
<PAGE>

         IN WITNESS  WHEREOF,  the parties have executed this First Amendment as
of the date first above written.

                                         PLEDGOR:

                                         ALTAIR INTERNATIONAL, INC.

                                         By: ________________________________
                                         Its: ________________________________

         Accepted by:                    PLEDGEE:

                                         DORAL 18, LLC

                                         By: ________________________________
                                         Its: ________________________________

         Acknowledged and Agreed:        MINERAL RECOVERY SYSTEMS,  INC.

                                         By: ________________________________
                                         Its: ________________________________

                                       4
<PAGE>

                                    EXHIBIT A

                                       5
<PAGE>

                                    EXHIBIT B

                                       6RAIKE FINANCIAL GROUP, INC.

                     1998 STOCK OPTION PLAN

     (As adopted by the Board of Directors and Shareholders as of
the ___th day of  ______ 1998).

1.   Purposes.

     The  Raike Financial Group, Inc., a Georgia Corporation (the
"Company"), hereby adopts the 1998 Stock  Option Plan (the "Plan").
The Plan is intended to attract and  retain  the  best   available
personnel  for  positions  of   substantial responsibility  with the
Company and its  subsidiaries,  if any,  and to provide additional
incentive to such persons to exert their maximum  efforts toward the
success of the Company. The Plan is also intended to provide and
encourage stock ownership by officers,  directors,  employees and
consultants of the Company and to afford such persons the right to
increase their  proprietary  interest in the Company.  The above aims
will be  effectuated  through  the  granting of certain options
("Options") to purchase shares of the Company's Common Stock, par
value $.01 per share (the  "Common  Stock").  Under the Plan,  the
Company may grant "incentive  stock  options"  ("ISOs")  within the
meaning of Section 422 of the Internal Revenue Code of 1986, as
amended (the "Code"), or Options which are not intended to be ISOs
("Non-Qualified Options").

2.   Administration of the Plan.

     The Plan shall be administered by a committee (the "Committee")
consisting of at least two (2) persons,  appointed by the Board of
Directors of the Company (the "Board of Directors").  Within the
limits of the express  provisions of the Plan, the Committee  shall
have the authority,  in its  discretion,  to take the following
actions under the Plan:

     (a) to determine the  individuals  to whom, and the time or
times at which, Options shall be granted,  the number of shares of
Common Stock to be subject to each of the Options  and whether  such
Options  shall be ISOs or  Non-Qualified Options;

     (b) to interpret the Plan;

     (c) to prescribe,  amend and rescind rules and regulations
relating to the
Plans;

     (d) to determine the terms and  provisions of the  respective
stock option agreements granting  Options,  including  the date or
dates upon which  Options shall become exercisable, which terms need
not be identical;

     (e) to accelerate the vesting of any outstanding Options; and

     (f) to make all other  determinations  and take all other
actions necessary
or advisable for the administration of the Plan.

<PAGE>    Exhibit 4.2 - Pg. 1

    In making such  determinations,  the  Committee  may take into
account the nature of the services rendered by such  individuals,
and such other factors as the Committee, in its discretion,  shall
deem relevant. An individual to whom an Option has been granted
under the Plan is referred to herein as an  "Optionee."  The
Committee's  determinations  on the matters  referred to in this
Section 2 shall be conclusive.

3.   Shares Subject to the Plan.

     (a) The total  number of shares of Common  Stock for which
Options  may be granted under the Plan shall be 200,000.

     (b) The Company  shall at all times while the Plan is in force
reserve such number  of  shares  of  Common  Stock  as  will be
sufficient  to  satisfy  the requirements  of  outstanding  Options.
The shares of Common Stock to be issued upon exercise of Options
shall be authorized  and unissued or reacquired  shares of Common
Stock.

     (c) The shares of Common Stock relating to the  unexercised
portion of any expired,  terminated  or canceled Option shall
thereafter be available for the grant of new Options under the Plan.

4.   Eligibility.

     (a) Options may be granted under the Plan only to directors,
employees and consultants of the Company or any "subsidiary
corporation" of the Company within the meaning of Section 424(f) of
the Code (a "Subsidiary").  The term "Company," when used in the
context of an Optionee's employment, shall be deemed to include the
Company and its Subsidiaries.

     (b) Nothing  contained in the Plan shall be construed to limit
the right of the  Company to grant  stock  options otherwise  than
under the Plan for proper corporate purposes.

5.   Terms of Options.

     The terms of each Option granted under the Plan shall be
determined by the Committee consistent with the provisions of the
Plan, including the following:

     (a) The purchase price of the shares of Common Stock subject to
each Option shall be fixed by the Committee,  in its discretion,  at
the time such Option if granted;  provided,  however, that in no
event shall such purchase price be less than the Fair Market Value
(as defined in paragraph (g) of this Section 5) of the shares of
Common Stock as of the date such Option is granted.

     (b)  The  dates  on  which  each  Option  (or  portion  thereof)
shall  be exercisable shall be fixed by the Committee, in its
discretion, at the time such Option is granted.

     (c) The expiration of each Option shall be fixed by the
Committee,  in its discretion, at the time such  Option is  granted;
provided,  however, that no Option shall be exercisable after the
expiration of ten (10) years from the date of its  grant  and each
Option  shall be  subject  to  earlier  termination  as determined

<PAGE>    Exhibit 4.2 - Pg. 2

by the  Committee,  in its  discretion, at the time such  Option is
granted.

     (d)  Options  shall be  exercised  by the  delivery  to the
Company at its principal office or at such other address as may be
established by the Committee (Attention:  Corporate  Secretary) of
written  notice of the number of shares of Common Stock with respect
to which the Option is being exercised  accompanied by payment  in
full  of the  purchase  price  of  such  shares.  Unless otherwise
determined by the Committee at the time of grant, payment for such
shares may be made (i) in cash, (ii) by certified check or bank
cashier's check payable to the order of the Company of shares of
Common  Stock having a Fair Market Value equal to such  purchase
price,  (iii) by  delivery to the Company of shares of Common Stock
having a Fair Market  Value  equal to such  purchase  price,  (iv) at
the discretion of the Committee,  by simultaneously  exercising
Options and selling the shares of Common Stock acquired thereby,
pursuant to a brokerage or similar arrangement approved by the
Committee, and using the proceeds as payment of such purchase price,
or (v) by any combination of the methods of payment described in (i)
through (iv) above.

     (e) An Optionee  shall not have any of the rights of a holder of
the Common Stock with respect to the shares of Common Stock subject
to an Option until such shares are issued to such Optionee upon the
exercise of such Option.

     (f) An  option  shall  not be  transferable,  except by will or
the laws of descent  and  distribution,  and  during the  lifetime
of an  Optionee,  may be exercised  only by the  Optionee.  No Option
granted  under  the Plan  shall be subject to execution, attachment
or other process.

     (g) For the purposes of the Plan, the Fair Market Value of the
Common Stock as of any date shall be as determined  by the  Committee
and such  determination shall be binding upon the Company and upon
the Optionee.  The Committee may make such  determination (i) if the
Common Stock is not then listed and traded upon a recognized
securities exchange,  upon the basis of the mean between the bid and
asked  quotations  on the  relevant  date (as  reported  by a
recognized  stock quotation  service)  or, if there are no such bid
and  asked  quotations  on the relevant  date,  then  upon  the  basis
of the mean  between  the bid and  asked quotations  on the date
nearest  the  relevant  date or (ii) in case the Common Stock is
quoted on the National Association of Securities Dealers Automated
Quotation System National Market System  ("NASDAQNMS") or listed on
one or more national securities exchanges,  the Fair Market Value of
the Common Stock as of any date shall be deemed to be the mean
between  the  highest  and lowest sale prices of the Common Stock
reported on the NASDAQ-NMS or the principal  national securities
exchange  on which  the  Common Stock is listed  and  traded on the
immediately  preceding  date, or, if there is no such sale on that
date, then on the last preceding date, on which such a sale was
reported.

6.   Special Provisions Applicable to ISOs.

     The following special  provisions shall be applicable to ISOs
granted under the Plan.

<PAGE>    Exhibit 4.2 - Pg. 3

     (a) No ISOs shall be  granted  under the Plan after ten (10)
years from the earlier  of (i) the  date  the  Plan is  adopted,  or
(ii)  the date the Plan is approved by the Company's shareholders as
provided in Section 10 hereof.

     (b) If an ISO is granted to a person  who owns stock  possessing
more than 10% of the total  combined  voting power of all classes of
stock of the Company, the  purchase  price of the shares  subject to
the Option shall not be less than 110% of the Fair  Market  Value of
such  shares  as of the date  such  Option is granted.

     (c) If the aggregate  Fair Market Value of the Common Stock with
respect to which ISOs are  exercisable for the first time by any
Optionee during a calendar year exceeds $100,000, such ISOs shall be
treated, to the extent of such excess, as  Non-Qualified  Options.
For purposes of the  preceding  sentence,  the Fair Market  Value  of
the  Common  Stock  shall be  determined  at the time the ISOs
covering such shares were granted.

7.   Adjustment upon Changes in Capitalization.

     (a) In the event that the  outstanding  shares of Common Shares
are changed by reason of  reorganization,  reclassification,  stock
split,  combination  or exchange of shares and the like, or dividends
payable in shares of Common Stock, an appropriate adjustment shall be
made by the Committee in the aggregate number of shares of Common
Stock  available  under the Plan and in the number of shares of
Common  Stock and price per  share of Common  Stock  subject  to
outstanding Options. If the Company shall be sold, reorganized,
consolidated, taken private, or merged with another corporation, or
if all or substantially all of the assets of the Company  shall be
sold or exchanged (a  "Corporate Event"),  an Optionee shall at the
time of  issuance  of the  stock under  such  Corporate  Event be
entitled to receive  upon the exercise of his Option the same number
and kind of shares of stock or the same amount of property,  cash or
securities as he would have been entitled to receive upon the
occurrence of any such Corporate Event as if he had been, immediately
prior to such  event,  the holder of the number of Common Stock
covered by his Option;  provided, however, that the Committee may, in
its discretion, (i) accelerate the exercisability of outstanding
Options, and shorten the term thereof,  to any date prior to the
occurrence of such Corporate Event, or (ii) provide for the
cancellation of outstanding  Options in exchange for cash equal to
the aggregate  in-the-money  value of such Options at the time of
such Corporate Event, as determined in its discretion.

     (b) Any  adjustment  under this Section 7 in the number of
shares of Common Stock subject to Options  shall apply
proportionately  to only the  unexercised portion of any Option
granted  hereunder.  If fractions of a share would result from any
such  adjustment,  the  adjustment  shall be  revised to the next
lower whole number of shares.

8.   Termination, Modification and Amendment.

     (a) The Plan (but not Options  previously  granted  under the
Plan)  shall terminate  ten  (10)  years  from  the  date of its
adoption  by the  Board  of Directors, and no Option shall be granted
after termination of the Plan.

<PAGE>    Exhibit 4.2 - Pg. 4

     (b) The  Plan may at any  time be  terminated  or,  from  time
to time,  be modified or amended by the Board of Directors; provided,
however, that the Board of Directors shall not,  without approval by
the affirmative vote of the holders of a  majority  of the shares of
the  capital  stock of the  Company  present in person or by proxy
and  entitled  to vote at a meeting  duly held in  accordance with
Delaware  law, (i) increase  (except as provided by Section 7) the
maximum number of shares of Common  Stock as to which  Options may be
granted  under the Plan,  (ii) reduce the minimum  purchase  price at
which  Options may be granted under the Plan, or (iii) change the
class of persons eligible to receive Options under the Plan.

     (c) No termination,  modification or amendment of the Plan
adversely affect the  rights  conferred  by any  Options  without
the  consent  of the  affected Optionee.

9.   Effectiveness of the Plan.

     The Plan shall become  effective upon adoption by the Board of
Directors of the Company, subject to the approval by the shareholders
of the Company.  Options may be granted under the Plan prior to
receipt of such approval,  provided that, in the event such  approval
is not  obtained,  the Plan and all Options  granted under the Plan
shall be null and void and of no force and effect.

10.  Not a Contract of Employment.

     Nothing  contained in this Plan or in any stock option
agreement  executed pursuant  hereto shall be deemed to confer upon
any Optionee any right to remain in the employ of the Company or any
Subsidiary.

11.  Governing Law.

     The Plan shall be  governed  by the laws of the State of
Georgia  without reference to principles of conflict of laws thereof.

12.  Withholding.

     As a condition to the  exercise of any Option,  the  Committee
may require that an  Optionee  satisfy,  through  withholding  from
other  compensation  or otherwise,  the full amount of federal, state
and local income taxes required to be withheld in connection with
such exercise.

<PAGE>    Exhibit 4.2 - Pg. 5

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