Wurtzite - A-Block Mine, Tanzania - 4 x 3 x 3 cm / main crystal: 3.9 cm.

Mineral: Wurtzite
Locality: A-Block Mine, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
Dimensions: 4 x 3 x 3 cm / main crystal: 3.9 cm.

Description: Mass: 42 g MIM number: 1424 Probable year of extraction : 2011 Group of well formed, translucent, amber-colored crystals clearly showing the hexagonal hemihedry (widened base and pointy summit). Photographer: AINU / Alessandro Clemenza; Publication: "Mineralogical Record: May-Jun 2013"