MELANITE, the black variety of andradite garnet


VARIETY INFORMATION:

  • VARIETY OF: Andradite garnet, Ca3 Fe2 Si3 O12.
  • USES: Gemstone.
  • COLOR: various shades of black.
  • INDEX OF REFRACTION: 1.89
  • HARDNESS: 6.5 - 7
  • CLEAVAGE: none
  • CRYSTAL SYSTEM: isometric
  • SPECIMENS
Melanite is one of the gem varieties of the garnet mineral, andradite. Its black color combined with the "garnet" shape is generally sufficient to identify melanite. Crystals are typically opaque, although some specimens with internal fractures will show highlights indicating a degree of translucence. Sometimes these highlights will be green or golden. The color is due to a high titanium content, and occasionally melanite is referred to as "titanian andradite".
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Available MELANITE specimens:
see this List of ALL specimens including SOLD ones

 

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