Exhibit 31.2



CERTIFICATION



I, Marc Fogassa, Chief Financial Officer
of Brazil Minerals, Inc. (the “registrant”), certify that:



| | 1. | I
have reviewed this quarterly report on Form 10-Q of the registrant for the quarter ended March 31, 2014;
| | -- | ----------------------------------------------------------------------------------------------------------



| | 2. | Based
on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact
necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with
respect to the period covered by this quarterly report;
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 3. | Based
on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in
all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods
presented in this quarterly report;
| | -- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 4. | I
am responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a–15(e)
and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a–15(f) and
15d–15(f)) for the registrant and have:
| | -- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | a. | designed
such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision,
to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by
others within those entities, particularly during the period in which this quarterly report is prepared;
| | -- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | b. | designed
such internal control over financial reporting, or caused such internal control over financial reporting to be designed under
our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial
statements for external purposes in accordance with generally accepted accounting principles;
| | -- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | c. | evaluated
the effectiveness of the registrant’s disclosure controls and procedures and presented in this quarterly report our conclusions
about the effectiveness of the disclosure controls and procedures as of the end of the period covered by this quarterly report
based on such evaluation; and
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | d. | disclosed
in this quarterly report any change in the registrant’s internal control over financial reporting that occurred during the
registrant’s most recent fiscal year that has materially affected, or is reasonably likely to materially affect, the registrant’s
internal control over financial reporting; and
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 5. | I
have disclosed, based on my most recent evaluation of internal control over financial reporting, to the registrant’s auditors
and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):
| | -- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | a. | all
significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which
are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information;
and
| | -- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | b. | any
fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s
internal control over financial reporting.
| | -- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------



Date:  July 29, 2014





|/s/ Marc Fogassa                                     | 
|---------------------------------------------------- | 
|Marc Fogassa                                         | 
|Chief Financial Officer                              | 
|(principal financial officer and accounting officer) |