Mineral
Photographs of mineral
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Rock Crystal, Quartz Amethyst Rose Quartz Agate Pyrite
Opal Lazurite, Lapis Lazuli Tourmaline Celestite Tiger's Eye
Jadeite Calcite Fluorite Beryl Colundum

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Mineral
Rock Crystal, Quartz

Chemical composition: SiO2, Crystal form: hexagonal system, Hardness: 7, Gravity: 2.65

Actual size of
photograph [mm]		 Production place
52 x 39 Arkansas, U.S.A.
48 x 36 Canton of Uri,
Switzerland
93 x 70 Old Gurley mine
Arkansas, U.S.A.
40 x 30 Arkansas, U.S.A.
30 x 23 Arkansas, U.S.A.
19 x 14 Herkimer
New York, U.S.A.
148 x 111 Brazil
90 x 68 Unknown

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Amethyst

Chemical composition: SiO2, Crystal form: hexagonal system, Hardness: 7, Gravity: 2.65

Actual size of
photograph [mm]		 Production place
60 x 45 Brazil
28 x 21 Brazil
45 x 34 Mexico
40 x 30 Unknown

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Rose Quartz

Chemical composition: SiO2, Crystal form: hexagonal system, Hardness: 7, Gravity: 2.65

Actual size of
photograph [mm]		 Production place
26 x 20 Minas Gerais, Brazil

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Agate

Chemical composition: SiO2, Crystal form: hexagonal system, Hardness: 7, Gravity: 2.65

Actual size of
photograph [mm]		 Production place
94 x 71 Unknown
40 x 30 Unknown

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Pyrite

Chemical composition: FeS2, Crystal form: cubic system, Hardness: 6-6.5, Gravity: 4.82-5.02

Actual size of
photograph [mm]		 Production place
45 x 34 Unknown

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Opal

Chemical composition: SiO2+nH2O, amorphia, Hardness: 5-6.5, Gravity: 1.9-2.3

Actual size of
photograph [mm]		 Production place
15 x 11 Australia

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Lazurite, Lapis Lazuli

Chemical composition: (Na,Ca)7-8(Al,Si)12(O,S)24[(SO4)Cl2,(OH)2], Crystal form: cubic system, Hardness: 5-5.5, Gravity: 2.4-2.45

Actual size of
photograph [mm]		 Production place
35 x 26 Afghanistan
93 x 70 Afghanistan

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Tourmaline

Fe Tourmaline
Chemical composition: NaFe3Al6(BO3)3Si6O18(OH)4, Crystal form: hexagonal system, Hardness: 7-7.5, Gravity: 3.18-3.22

Li, Al Tourmaline
Chemical composition: Na(Li,Al)3Al6(BO3)3Si6O18(OH)4, Crystal form: hexagonal system, Hardness: 7-7.5, Gravity: 2.90-3.10

Actual size of
photograph [mm]		 Production place
26 x 20 Minas Gerais Aracuai,
Brazil
50 x 38 Unknown
19 x 14 Minas Gerais, Brazil

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Celestite

Chemical composition: SrSO4, Crystal form: ortho rhombic system, Hardness: 3-3.5, Gravity: 3.89-4.19

Actual size of
photograph [mm]		 Production place
100 x 75 Sakoony Mines
Bombetoka Bay, Madagascar

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Tiger's Eye

Chemical composition: Na2(Fe,Mg)3Fe2Si8O22(OH)2+SiO2, Crystal form: monoclinic system, Hardness: 5-5.5, Gravity: 2.94-3.46

Actual size of
photograph [mm]		 Production place
30 x 23 Unknown

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Jadeite

Chemical composition: NaAlSi2O6, Crystal form: monoclinic system, Hardness: 6, Gravity: 3.24-3.43

Actual size of
photograph [mm]		 Production place
90 x 68 Unknown

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Calcite

Chemical composition: CaCO3, Crystal form: hexagonal system, Hardness: 3, Gravity: 2.71-3.06

Actual size of
photograph [mm]		 Production place
60 x 45 Creel, Chihuahua, Mexico

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Fluorite

Chemical composition: CaF2, Crystal form: cubic system, Hardness: 4, Gravity: 3.01-3.25

Actual size of
photograph [mm]		 Production place
40 x 30 Wise mine, Westmoreland, New Hampshire, U.S.A. (left)
El Filo mine, Mapimi, Durango, Mexico (right)

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Beryl

Chemical composition: Be3Al2Si6O18, Crystal form: hexagonal system, Hardness: 7.5-8, Gravity: 2.66-2.92

Actual size of
photograph [mm]		 Production place
26 x 20 Brazil
40 x 30 Conselheiro Pena,
Minas Gerais, Brazil

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Colundum

Chemical composition: Al2O3, Crystal form: hexagonal system, Hardness: 9, Gravity: 3.95-4.4

Actual size of
photograph [mm]		 Production place
19 x 14 Mysole, India

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Mineral
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