Euclase
Euclasita, Euklaas, Euklas, Эвклаз, 藍柱石, ﾕｰｸﾚｰｽ
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: BeAl[SiO4]OH
Mineral class: silicates Crystal system: monoclinic Mohs scale: 7.5 Density (g/cm3): 2.99 - 3.1 Refractive index: 1.650 - 1.677 Cleavage: different Colors: colorless, yellowish, orange-brown, green, blue, violet Luster: vitreous Fluorescence: - Pleochroism: slightly greenish Largest Euclase: 12 cm? Deposits: Brazil, India, Zimbabwe, Tanzania, Russia, Zaire Discovery: 1792 1st Description: 1892 Name: a combination of the Greek words "eu" (good), and "klásis" (break) |
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Euclase Mineral
Size: 1.9 x 0.8 x 0.5 cm Origin: Antonio Pereira / Ouro Preto / Minas Gerais / Brazil Photo by kind permission of © www.steveperrygems.com |
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Euclase Mineral
Origin: Conselheiro Pena / Minas Gerais / Brazil Photo by kind permission of © www.treasuremountainmining.com |
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Euclase
Size: 1.60 x 1.56 cm Weight: 16.90 ct Origin: Brazil Photo by kind permission of © www.ke4gems.com |
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Euclase Mineral
Size: 3.5 x 2.5 x 1.7 cm Origin: Piaotang / Dayu / Jiangxi Prov. / China Photo by kind permission of © www.jmineral.com |
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Euclase
Size: 1.18 x 0.88 cm Weight: 6.09 ct Origin: Brazil Photo by kind permission of © www.rarestone.com |
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Euclase Mineral
Size: 2.5 x 2.2 x 2.1 cm Origin: Piaotang / Dayu / Jiangxi Prov. / China Photo by kind permission of © www.lucianabarbosa.com |
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Euclase Mineral
Size: 4.5 x 3.7 x 3.1 cm Origin: Piaotang / Dayu / Jiangxi Prov. / China Photo by kind permission of © www.jmineral.com |
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Euclase
Size: 0.77 x 0.56 cm Weight: 0.83 ct Origin: Ouro Preto / Minas Gerais / Brazil Photo by kind permission of © www.thegemtrader.com |
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Euclase Mineral
Size: 1.2 x 0.7 x 0.4 cm Origin: Ouro Preto / Minas Gerais / Brazil Photo by kind permission of © http://lucianabarbosa.com |
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Euclase
Size: 0.52 x 0.47 cm Weight: 0.54 ct Origin: Colombia Photo by kind permission of © www.gemfrance.com |
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Euclase Mineral
Size: 0.7 x 0.4 x 0.3 cm Origin: Parelhas / Rio Grande do Norte / Brazil Photo by kind permission of © www.qualitygemsminerals.com |
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Euclase
Size: 0.71 x 0.71 cm Weight: 1.29 ct Origin: Brazil Photo by kind permission of © www.rarestone.com |
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Euclase Mineral
Size: 1.4 x 1.3 x 0.8 cm Origin: Chivor / Guavio-Guateque Mining Distr. / Boyacá Dep. / Colombia Photo: John McLean, by kind permission of © http://www.palagems.com |
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Euclase Mineral
Size: 0.65 x 0.65 x 0.83 cm Origin: Chivor / Guavio-Guateque Mining Distr. / Boyacá Dep. / Colombia Photo by kind permission of © www.civilminerals.com |
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Euclase Mineral
Size: 1.0 x 1.0 x 0.7 cm Origin: Ouro Preto / Minas Gerais / Brazil Photo by kind permission of © http://lucianabarbosa.com |
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Euclase
Weight: 0.62 ct Origin: Ouro Preto / Minas Gerais / Brazil Photo by kind permission of © http://lucianabarbosa.com |
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