Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Henritermierite: Ca3(Mn,Al)2(SiO4)2(OH)4
Comments: Dark brown octahedral henritermierite crystal on massive material. Location: Wessels Mine, Kalahari Manganese Fields, Northern Cape Province, South Africa. Scale: Specimen Size 4.5 x 4 x 3 cm. © Rob Lavinsky