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Formula: Ca2Al3(SiO4)3(OH)
Mineral class: silicates Crystal system: orthorhombic Mohs scale: 6.5 Density (g/cm3): 3.3 Refractive index: 1.696 - 1.718 Cleavage: different Colors: colorless, grey, green, rose, red, blue, violet, brown Luster: vitreous Fluorescence: - Pleochroism: see Tanzanite Largest Zoisite: 10 cm? Deposits: worldwide Discovery: 1805 1st Description: 1892 Name: in honor of the discoverer, the Austrian natural scientist Baron Siegmund von Zois (1747-1819), who found it at the Saualpe / Carinthia / Austria |
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Zoisite Mineral
Size: 2.04 x 0.26 x 0.22 cm Origin: Pakistan Photo by kind permission of © Darlene Cobler |
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Zoisite Mineral
Size: 1.6 x 0.8 x 0.6 cm Origin: Alchuri / Shigar Valley / Skardu Distr. / Pakistan Photo by kind permission of © www.trinityminerals.com |
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Zoisite Mineral
Origin: Merelani Mine / Umba Valley / Arusha / Simanjiro Distr. / Tanzania Photo by kind permission of © www.irocks.com |
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Zoisite
Size: 2.8 x 0.85 x 0.75 cm Origin: Merelani / Tanzania Photo: John McLean, by kind permission of © www.palagems.com |
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Zoisite
Weight: 9.47 ct Origin: Merelani / Tanzania Photo: John McLean, by kind permission of © www.palagems.com |
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Zoisite Mineral
Size: 1.52 x 0.73 x 0.48 cm Origin: Merelani Mine / Umba Valley / Arusha / Simanjiro Distr. / Tanzania Photo by kind permission of © Darlene Cobler |
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Zoisite Mineral
Origin: Merelani Mine / Umba Valley / Arusha / Simanjiro Distr. / Tanzania Photo by kind permission of © www.irocks.com |
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Zoisite Mineral
Size: 1.3 x 0.5 x 0.5 cm Origin: Alchuri / Shigar Valley / Skardu Distr. / Pakistan Photo by kind permission of © www.irocks.com |
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Zoisite
Weight: 2.7 ct Origin: Merelani Mine / Umba Valley / Arusha / Simanjiro Distr. / Tanzania Photo by kind permission of www.greatcabochons.com |
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Zoisite Mineral
Origin: Alchuri / Shigar Valley / Skardu Distr. / Pakistan Photo by kind permission of © www.irocks.com |
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Zoisite
Weight: 3.30 ct Origin: Merelani Mine / Umba Valley / Arusha / Simanjiro Distr. / Tanzania Photo by kind permission of © www.multicolour.com |
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Zoisite Mineral Var. Anyolite with Ruby
Origin: Tanzania Photo by kind permission of © www.mineraltivadar.fw.hu |
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Zoisite Var. Thulite Mineral on Albite
Size: 4.0 x 3.0 x 1.7 cm Origin: Remigny / Québec / Canada Photo by kind permission of © www.kqminerals.com |
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Zoisite Var. Thulite
Size: 1.8 x 1.3 cm Origin: Kleppan / Sauland / Hjartdal / Telemark / Norway Photo by kind permission of © www.edelsteine.at |
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Zoisite Var. Thulite Mineral
Origin: Kleppan / Sauland / Hjartdal / Telemark / Norway Photo by kind permission of © António Manuel Ináçio Martins |
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Zoisite Var. Thulite
Size: 1.8 x 1.3 cm Origin: Kleppan / Sauland / Hjartdal / Telemark / Norway Photo by kind permission of © www.edelsteine.at |
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