0

Ettringite
Formula: Ca6Al2(SO4)3(OH)12 · 26H2O
System:Trigonal
Colour:Colourless; colourless ...
Hardness:2 - 2½

photo:

Locality: N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
Dimensions: 4 mm x 2.1 mm x 1.2 mm
Photo Copyright © Saphira Minerals

Post a Comment

 
Top