Tincalconite ps. after Borax
at-auction$ 20
- Locality
- Uchuchacua Mine, Peru
- Minerals
- Borax, Tincalconite
- Dimensions
- 8.5 x 3.6 x 3.1 cm
- Size class
- Small Cabinet
- SID
- SM764
Tincalconite pseudomorph after Borax crystals. These specimens originally grow in sumps and the bottom of partially flooded
stopes in the old underground workings at Boron. When freshly collected they are white or pale amber in color and dehydrate
to white Tincalconite.