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.
Johannsenite: CaMnSi2O6
Comments: Rounded glassy prismatic crystals of dark violet brown johannsenite to 1.4 cm. Long. Location: Consols Mine, Broken Hill, NSW, Australia. Scale: 1.5x1.5x1 cm. © Richard Dale / Dale Minerals
Comments: Mass of prismatic bluish green colored johannsenite crystals. Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 7.2 x 4 cm. © John Veevaert