Mineral: Graphite with Diopside and Mesolite
Locality: Karo Pit, D-Block Mine, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
Dimensions: 4.5 x 3.5 x 1.5 cm / main crystal: 1.1 cm

Description: Mass: 12 g MIM number: 1397 Graphite matrix topped with flattened hexagonal crystals of graphite, some small green diopside crystals (1 cm max) and tufts of mesolite. Photographer: AINU / Augustin de Valence; Publication: "Lapis: Jul-Aug 2015"

All pictures, text, design © Forum FMF 2006-2025