Dioptase | #Geology
Formula: CuSiO3 · H2O
System: Trigonal
Colour: Emerald Green, blue-green
Lustre: Vitreous
Hardness: 5
Locality: Tantara Mine, Kakounde, Likasi, Shaba Congo D.R.
by usageology on Flickr.
Dioptase Crystals On Calcite
Formula: CuSiO3 · H2O
System: Trigonal
Colour: Emerald Green, blue-green
Lustre: Vitreous
Hardness: 5
Locality: Tantara Mine, Kakounde, Likasi, Shaba Congo D.R.
