Rare Ettringite Brilliant Yellow Crystal
Dimensions (millimeters): 30 x 15 x 12
Dimensions (inches): 1.2 x .6 x .5
Origins: N'Chwaning Mine, Kuruman, South Africa
Ettringite is a hydrous calcium aluminum sulfate mineral with formula: Ca6Al2(SO4)3(OH) 12· 26H2O.
All Mineral Specimens and Geological Samples come with a label with the name of the mineral and where it was mined
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