Measurements: 34 x 26 x 15 mm
Description: Small, drusy orangy-red garnets coat a matrix of manganite. On top of the garnets, sits a group of black crystals (4 mm in diameter), probably manganite.
Weight of Specimen: 12.9 g
Chemical Composition: Mn3+O(OH) (manganite)
Hardness on Mohs Scale: 4 (manganite)
Wessels mine, Kalahari Manganese Fields,
Specimen Code: SKMF 012
US $ 45