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- Availability
- Sold
- Locality
- Tuften, Tvedalen, Larvik, Vestfold, Norway
- Formula
- CaMn2+(BeOH)2Si5O13ยท2H2O
- Size
- 3 x 1.5 x 1.5 cm - Thumbnail
- Tagged
- beryllium
Rusty orange tufts of Chiavennite composed of very this plates. The individual crystals can be seen in the fourth photo. Chiavennite is a rather rare beryllium mineral.