Melanite
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| Melanite | |
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_i_diopsydy,_Maroko.jpg/250px-Granat_(andradyt)_i_diopsydy,_Maroko.jpg) The black mineral is Melanite
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| General | |
| Category | Mineral |
| Chemical formula | Ca3(Fe,Ti)2(SiO4)3. |
| Identification | |
| Color | black |
| Crystal system | cubic |
| Cleavage | none |
| Mohs Scale hardness | 6.5 to 7 |
| Luster | vitreous |
| Refractive index | 1.89 |
Melanite is a variety of the garnet group mineral andradite. It is a deep, glossy black form containing titanium within the chemical formula: Ca3(Fe,Ti)2(SiO4)3, and is sometimes referred to as "titanian andradite".
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