9hlnawr ((JACOBSITE, TEPHROITE, ANDRADITE)), $35 MINIMUM BID, Wessels Mine, Kalahari Manganese Field, South Africa, 2 x 2 x 1.5 cm, Thumbnail, | |
Jacobsite is a very rare black lustrous octahedral crystal only rarely occuring. This is a specimen from the Neil Wintrigham collection. Neil wrote the book on Maine minerals. ex Neil A Wintringham collection. |