Gaudefroyite, N’Chwaning Mine, Kalahari Manganese Field, South Africa. RARE
Item History & Price
| Reference Number: Avaluer:30178467 | Country/Region of Manufacture: South Africa |
Gaudefroyite. N’Chwaning Mine, Kalahari Manganese Field, South Africa.
Nice grouping of shiny terminated crystals up to 4 mm of this rare borate first described in 1991. Smaller pieces are being offered for over a thousand dollars on some mineral dealer's sites, if you can even find it. 40 x 25 x 18 mm. This specimen has been in a private collection for almost 40 years. Ex. Coll. Clive Queit
Von Bezing, K. L. et... al. (1991) The Kalahari manganese field: an update. Mineralogical Record, 22(4), 279-302.
Ref: MF-11-0420
Nice grouping of shiny terminated crystals up to 4 mm of this rare borate first described in 1991. Smaller pieces are being offered for over a thousand dollars on some mineral dealer's sites, if you can even find it. 40 x 25 x 18 mm. This specimen has been in a private collection for almost 40 years. Ex. Coll. Clive Queit
Von Bezing, K. L. et... al. (1991) The Kalahari manganese field: an update. Mineralogical Record, 22(4), 279-302.
Ref: MF-11-0420
