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Formula: Ca[B2Si2O8]
Mineral class: silicates Crystal system: rhombic Mohs scale: 7 - 7.5 Density (g/cm3): 2.97 - 3.02 Refractive index: 1.630 - 1.636 Cleavage: indistinct Colors: colorless, yellow, rose, brownish Luster: vitreous - greasy Fluorescence: light blue Pleochroism: slightly yellowish Largest Danburite: 50 cm (Dal'negorsk / Primorskiy Kraj / Russia) Deposits: Myanmar, Japan, Madagascar, Mexico, USA 1st Description: 1892 Name: from the occurrence in Danbury / Connecticut / USA |
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Danburite Mineral
Size: 3.9 x 2.4 x 1.7 cm Origin: Charcas / San Luis Potosí / Mexico Photo by kind permission of © www.irocks.com |
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Danburite
Weight: 27.78 ct Origin: Charcas / San Luis Potosí / Mexico Photo by kind permission of © www.americanthai.com |
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Danburite Mineral
Size: 7.7 x 2.5 x 1.7 cm Origin: La Aurora Mine / Charcas / San Luis Potosí / Mexico Photo by kind permission of © www.irocks.com |
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Danburite Mineral
Size: 3.5 x 5.5 x 2.3 cm Origin: Charcas / San Luis Potosí / Mexico Photo by kind permission of © www.ckminerals.com.au |
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Danburite
Weight: 0.93 ct Origin: Ohngaing / Mogok / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Danburite Mineral
Size: 4.5 x 3.4 x 3.3 cm Origin: Momeik / Mogok Area / Myanmar Photo by kind permission of © www.irocks.com |
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Danburite Mineral
Origin: Little Three Mine / Ramona / San Diego County / California Photo by kind permission of © www.irocks.com |
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Danburite
Weight: 1.11 ct Origin: Ohngaing / Mogok / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Danburite Mineral
Size: 5.6 x 2.8 x 1.9 cm Origin: Bor Quarry / Dal'negorsk / Primorskiy Kray / Far East / Russia Photo by kind permission of © www.irocks.com |
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Danburite Mineral
Size: 1.4 x 0.7 x 0.7 cm Origin: Mogok / Myanmar Photo by kind permission of © www.qualitygemsminerals.com |
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Danburite Cat's Eye
Size: 0.90 x 0.84 x 0.54 cm Weight: 3.34 ct Origin: Tanzania Photo by kind permission of © www.djraregems.com |
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