Page 459 - us_mineralresources1885

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PRECIOUS. STONES. 443

Estimated production of precious stones in the United States in 1883, 1884, and 1885.

1883. 1884. 1885.

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Diamond $800
Sapphire gems $200 $2, 000 $2, 200 $250 1,500 1,750 $500 $500'
Chrysoberyl , 100 100 25 25
Topaz , 1,000 1,000 200 300 500 $1, 000 250 1,250
Beryl , 200 300 500 300 400 700 250 500 75«
Emerald 500 500 3,000 200 3,200
Hiddenite 100 '500' 000 500 2,000 2,500
Tourmaline 1,500 500 2,000 500 100 600
Smoky quartz) 2,500 7,500 10, 000 2,000 10, 000 12, 000 2,000 5,000 7,000
Quartz 10, 000 1,500 11,500 10, 000 1,500 11,500 10, 000 1,500 11, 500
Silicifled Ts^ood , 5,000 5,000 10, 000 500 10, 500 5,000 1,500 6,500
Garnet 1,000 5,000 6,000 1,000 3,000 4,000 200 2,500 2,700
Anthracite 2,500 2,500 2,500 2,500 2, 500 2, 500
1,500 500 2,000 2, 000 1,000 3,000 1,500 500 2,000
Pyrite .
Amazonstone 3,500 250 3,750 2,500 250 2,750 2,500 250 2,750
Catlinite (pipestone) . 10, 000 10, 000 10, 000 10, 000 10,000 10, 000
Arrow points 1,000 1,000 1,000 1,000 2,500 2,500
Trilohites 508 500 500 500 1,000 1,000
Sagenitio rutile 500 500 1,000 500 500 1,000 250 250
Hornblende in quartz . . 500 100 600 500 100 600 300 300
Peridot 50 250 300 50 100 150 50 50
Thompsonite 250 500 750 250 500 750 250 500 750
Diopside 200 100 300 100 100
Agate 1, 000 500 1,500 4,000 500 4,500 1,000 1,000 2,000
CMoras trolite 500 1,000 1,500 500 1,000 1,500
Turquois 1,500 500 2, 000 1,500 500 2,000 1,500 2,000 3,500
Moss agate 1,000 2,000 3,000 1,000 2,000 3,000 500 2,000 2,500
Amethyst 2,000 250 2,250 2,000 250 2 250 2,000 100 2,100
Jasper 2,000 500 2,500 2, 000 500 21500
Sunstone 250 200 450 250 200 450 250 100 350
Possil coral 500 250 750 500 250 750
"750'
Entile 75«
Total.. 47, 350 26, 700 74, 050 54, 325 28, 650 82, 975 42,800 27, 100 69,900
Gold quartz 40,000 75, ObO 115, 000 40, 000 100, 000 140, 000 40, 000 100, 000 140, 000
By recalculating from the value of the diamond carat as used in differ-
ent countries the equivalents in the metric system, the weights in the
four places of decimals, according to Mr. Louis D'A. Jackson, in his
''Modern Metrology," page 377, will be found in the following table:
Weight of a diamond carat in different countries.
Countries. Weight. Countries. Weight.

Gram. Gram.
Turin .2135 Turkey .2005
Persia . 2095 Spain . .1999
Venice .2071 Java .
Austro-Hungary . 2061 Borneo .1969
France . 2059 Florence .1965
Portugal .2058 Arabia .1944
Brazil... Egypt .1917
Germany .2055 Boiogna .1886
England )
.2053
British India i Average weight of dia^
Holland ? mond carat ,2020
.2051
Enssia. J