- Wessels mine
- Kalahari Manganese Field
- Northern Cape Province
- South Africa
- 5.4 by 4.3 by 3.4 cm – Miniature specimen (fits into a 5 cm cube)
Tephroite is a manganese silicate member of the olivine group. The mineral name come from From the Greek for ash-colored (Breithaupt, 1832). Tephroite here forms sparse sharp crystals to 3-4 mm scattered over boxwork caryopilite. Caryopilite is a hydrated manganese silicate named after the Greek words for walnut and felt (Hamberg, 1889), which aptly describes its color and texture in this specimen.
Item code: MS0906
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