Four intergrown, very sharp, light tan crystals of olmiite to 1 cm on a bit of matrix. ExcellentTN of this rare (and newly described) manganese analog of poldervaartite found early this decade and now properly recognized as olmiite.
Sale Price: $200.00
Location: N'Chwaning II Mine, Kalahari Manganese Fields, Kuruman, South Africa
Dimensions: 2.2 x 1.3 x 1.2cm