The Road to becoming a Ore Mineral Master

 
HOME＞Picture Book of Ore Minerals ＞Olivine

Olivine
Chemical Formula Fe2SiO4
Mohs Hardness 5-7
Specific gravity 3.2-4.4
Description
  • forsterite
    • Chemical formula …Mg2Sio4
    • Color…White、Yellow green
    • Streak…White
    • Gloss…Vitreous luster
    • Cleavage …none
    • Mohs hardness …7
    • Specific gravity…3.2
  • fayalite
    • Chemical formula …Fe2SiO4
    • Color…Brown、Black
    • Streak…Light brown
    • Gloss…Vitreous luster
    • Cleavage …none
    • Mohs hardness …6.5
    • Specific gravity…4.4
  • tephroite
    • Chemical formula …Mn2SiO4
    • Color…Gray、Bluish gray、Greenish gray
    • Streak…Gray
    • Gloss…Vitreous luster
    • Cleavage …none
    • Mohs hardness …6.5
    • Specific gravity…4.1
  • montivellite
    • Chemical formula …CaMgSiO4
    • Color…White、Greenish gray、Gray
    • Streak…White
    • Gloss…Vitreous luster
    • Cleavage …none
    • Mohs hardness …5
    • Specific gravity…3.2


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