Willemite
Vilemitas, Willemiet, Willemit, Willemita, Виллемит, トルースタイト
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: Zn2SiO4
Mineral class: sulfates Crystal system: trigonal Mohs scale: 5.5 Density (g/cm3): 3.9 - 4.2 Refractive index: 1.690 - 1.725 Cleavage: indistinct Colors: white, yellow, green, blue, reddish-brown, black Luster: vitreous - resinous Fluorescence: LW and SW: green Pleochroism: - Largest Willemite: 10 cm? Deposits: worldwide Discovery: 1830 1st Description: 1892 Name: in honor of the Dutch King Willem I (1772 - 1843) |
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Willemite Mineral
Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada Photo by kind permission of © Stephan Wolfsried |
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Willemite
Weight: 2.2 ct Origin: Franklin / Sussex County / New Jersey / USA Photo by kind permission of © www.irocks.com |
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Willemite
Weight: 2.64 ct Origin: Franklin / Sussex County / New Jersey / USA Photo by kind permission of © www.minclassics.com |
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Willemite
Size: 0.66 x 0.31 cm Weight: 0.31 ct Origin: Franklin / Sussex County / New Jersey / USA Photo by kind permission of © Darlene Cobler |
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Willemite
Weight: 0.16 ct Origin: Franklin / Sussex County / New Jersey / USA Photo by kind permission of © Darlene Cobler |
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Willemite in UV Light
Size: 0.4 x 0.2 x 0.2 cm Weight: 0.15 ct Origin: Franklin / Sussex County / New Jersey / USA Photo by kind permission of © www.lucianabarbosa.com |
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Willemite Mineral
Origin: Sterling Hill Mine / Ogdensburg / New Jersey / USA Photo by kind permission of © www.exceptionalminerals.com |
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Willemite
Size: 1.0 x 0.87 cm Weight: 4.03 ct Origin: South Africa ? Photo by kind permission of © www.ke4gems.com |
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Willemite
Size: 0.35 cm Weight: 0.24 ct Origin: Tsumeb / Namibia Photo by kind permission of © www.irocks.com |
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Willemite Mineral
Size: 6.5 x 5.1 x 3.5 cm Origin: Tsumeb Mine / Otjikoto Region / Namibia Photo by kind permission of © www.lucianabarbosa.com |
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Willemite
Weight: 0.4 ct Origin: Franklin / Sussex County / New Jersey / USA Photo by kind permission of © www.gemfrance.com |
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Willemite
Size: 0.61 x 0.43 cm Weight: 0.69 ct Origin: Franklin / Sussex County / New Jersey / USA Photo by kind permission of © www.rarestone.com |
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