Prehnite with Graphite
sold- Locality
- Merelani Hills, Arusha, Tanzania
- Minerals
- Graphite, Prehnite
- Dimensions
- 4.2 x 3.4 x 2.8 cm
- Size class
- Miniature
- SID
- Q311
Color-change blue blue Prehnite from the Tanzanite mines. The Prehnite changes from a light blue to a deeper icy blue between
indoor and outdoor lighting. This well crystallized cluster also has attached Graphite, Pyrite, and zeolites.