Kutnohorite from Wessels and N’Chwanning mines (KMF). Specimens and photos by – J de Jongh
 
Crystal system:                Trigonal                                 Hardness:            3.5 - 4
Density:                               3.11 average                         Cleavage:            perfect
Streak:                                 white                                   
Colour:                                 white, light brown, light yellow, light...

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