Arizona republican., 1911-01-30
STONES FOR CRAFTSMEN.
Semi Precious colored Gems of Great
 Artistic Value.

Among the green stones. leaving ou | the emerald. we have the aquamarin. | from North Carolina. Madagascar anC | Brazil. fine enough almost to be prec.
 ious
 We have it in blue green of lesser
 gem value from Maine. New Hamp- shire and Connecticut. writes Dr | George F. kunz in Handicraft. ana
 this variety can frequently be mad. 1 into charming jewels.
 The Chinese well understand how [, use aquamsrine when in rounded hex agonal bits ar segments. polished in
 rounded irregular masses.
 Then we have the Amazon stone
 the green felspar. found in wonderful perfection in Pike's Peak. Colorado
 and in masses of translucent green and blue green materials in Virginsn and North Carolina. chrysocolla. d blue and blue green ore of copper i'm
 parting the cOlorings and coated with chaldecony and quartz. First and pre- eminent amog precious and semi-prec- Ious materials is the Chinese jadeite,
 running from the richest emerald green through the lighter greens into creamy white with an occasional dot of green. from the size of pin head to that of a walnut. in a white field. A thumb ring of this material has brought as high as S5.000 when of the rare green color.
 Then we have the rich ncphrite from New Zealand. q decorative stone of much beauty for ordinary wear and at the same time existing in quantity enough for all one substance. not a legitimate one. has been used in great quantity, namely chalcedony. a near chrysoprase. but often stained green. almost emerald green. This Is sold to some extent in France and Germany. but mainly in Russia and the United States
 Among the more important blue stones there is lapis- lazuI. the deep blue or blue with yellow goldlike flecks of pyrite (called gold since time immemoriaD from mines worked 4.00O B. C. in Persia. and the blue streaked with white from the Andes: aZurite from the copper mines of New Mexico. Arizona. Nevada and California. in the greatest variety of blue tinging into green and blue green. Occurring with the matrix there is charming blue and blue green from Arizona and from northern Mexico
 There is d material that you will find in every gem place in the world IL looks like lapis laZuii and is called Swiss lapis. German lapis according to the seller. Strange to say it holds it's color for a long time. It is harder than lapis -laZuli. its color is not even and if put in ammonia for short time you will find the color is gone and that it has become again white It was. a yellow gray stone; in other words. it is jasper agate which has been stained with a Prus- sian blue iron ferrocyanide, thus ac- quiTing a color not it's own. but one that is permanent under many condi- tions.
 There is natural chalcedony. a charming material: occasionally an- cient Babylonian and Sassanian cy- lindrical seals are made of it called Great quantities of similar material are sold made by staining gray chalcedony with a bluish stain.
 The opal is of all stones the one than lends itself to the greatest varie- ty of art decoration wholly because of it's great variety and color; the white from Austra Hungary and New south ales with it's fine play of color is used in the richer jewelry with 
 For craftsman work. however. the colored opals are most in demand, the rich honey red or honey yellow. with great flames of red blue or green the so-called fire opal: the transpar- ent, colorless variety with a play of