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- Availability
- Available
- Price
- $35.00
- Locality
- Llallagua, Bolivia
- Formula
- SnO2
- Size
- 3.5 x 3 x 3 cm - Miniature
- Tagged
- tin
Dark brown crude crystals to 6mm.
- Availability
- Available
- Price
- $125.00
- Locality
- Siglo Veinte mine, Llallagua, Bolivia
- Formula
- Fe3+Al2(PO4)2(OH)3ยท7H2O
- Size
- 9 x 6.5 x 2 cm - Sm Cabinet
- Tagged
- phosphate
- Special Info
- Type Locality
Two closely related rare phosphate minerals; Sigloite with a ferric (Fe III) ion phasing to Paravauxite with a ferrous (Fe II) ion. The Paravauxite are the white crystals and the Sigloite are the brown crystals. Very nice specimen from the hydrothermal tin veins of Llallagua.