Glaucochroite | |
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![]() Glaucochroite found in New Jersey | |
General | |
Category | Silicate mineral |
Formula (repeating unit) | CaMnSiO4 |
Strunz classification | 9.AC.05 |
Dana classification | 51.3.2.3 |
Crystal system | Orthorhombic |
Identification | |
Color | Bluish-gray, pink, brown, or white |
Fracture | Conchoidal, sub-conchoidal |
Mohs scale hardness | 6 |
Luster | Vitreous, sub-vitreous, resinous |
Streak | white |
Optical properties | Biaxial (−) |
References | [1] |
Glaucochroite is a calcium manganese nesosilicate mineral with formula CaMnSiO4. It occurs in metamorphosed limestones.
It was first described in 1899 in Franklin Furnace, Sussex County, New Jersey.
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