Powellite
Powelliet, Powellit, Powellita, Повеллит, 鉬鈣礦
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: Ca[MoO4]
Mineral class: molybdates Crystal system: teragonal Mohs scale: 3.5 - 4 Density (g/cm3): 4.26 Refractive index: 1.974 - 1.984 Cleavage: indistinct Colors: colorless, white, yellowish, brown, green Transparency: transparent - translucent Luster: different Fluorescence: SW UV: yellow Pleochroism: blue - green Largest crystal: 8 cm? Deposits: worldwide Discovery: 1891 1st Description: 1891 (Melville) Name: in honor of the American geologist John Wesley Powell (1834 - 1902) |
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Powellite
Weight: 5.09 ct Origin: Nasik / Maharashtra Distr. / India Photo by kind permission of © www.irocks.com |
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Powellite on Stilbite (beige)
Size of the crystal: 3 cm Origin: Jalgaon / Maharashtra Distr. / India Photo by kind permission of © www.irocks.com |
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Powellite
Weight: 1.88 ct Origin: Jalgaon / Maharashtra Distr. / India Photo by kind permission of © www.thegemtrader.com |
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Powellite Mineral
Size: 3.5 x 3.0 x 2.5 cm Origin: Jalgaon / Maharashtra Distr. / India Photo by kind permission of © www.irocks.com |
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Powellite
Weight: 1.26 ct Origin: Jalgaon / Maharashtra Distr. / India Photo by kind permission of © www.gemfrance.com |
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Powellite Mineral
Size: 3.3 x 2.0 x 2.0 cm Origin: Jalgaon / Maharashtra Distr. / India Photo by kind permission of © www.irocks.com |
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Powellite on Apophyllite
Size: 9.4 x 8.8 x 5.6 cm Origin: Jalgaon / Maharashtra Distr. / India Photo by kind permission of © www.irocks.com |
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Powellite (Cu) Mineral SW UV Light
Size: 5.5 x 3.5 x 3.5 cm Origin: Jardinera #1 Mine / Inca de Oro / Atacama / Chile Photo by kind permission of © www.kqminerals.com |
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Powellite (Cu)
Weight: 0.41 ct Origin: Jardinera #1 Mine / Inca de Oro / Atacama / Chile Photo by kind permission of © www.steveperrygems.com |
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Powellite (Cu) Mineral
Size: 2.5 x 1.5 x 1.5 cm Origin: Nasik / Maharashtra Distr. / India Photo by kind permission of © www.irocks.com |
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Powellite (Cu)
Weight: 0.16 ct Origin: Inca de Oro / Chañaral Prov. / Atacama / Chile Photo by kind permission of © www.steveperrygems.com |
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Powellite (Cu) Mineral
Size: 4.0 x 3.5 x 3.0 cm Origin: Jardinera No. 1 Mine / Inca de Oro / Chañaral Prov. / Atacama / Chile Photo by kind permission of © www.irocks.com |
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Powellite (Cu)
Size: 0.72 cm Weight: 1.93 ct Origin: Jardinera No. 1 Mine / Inca de Oro / Chañaral Prov. / Atacama / Chile Photo by kind permission of © www.steveperrygems.com |
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Powellite (Cu) Mineral
Size: 6.5 x 5.3 x 3.9 cm Origin: Jardinera No. 1 Mine / Inca de Oro / Chañaral Prov. / Atacama / Chile Photo by kind permission of © www.irocks.com |
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