Super Seven Slabs
Minimum Order: 1kg
Height: 4.5 - 6cm
Width: 2.5 - 7cm
Weight: 20 - 600g
Locality: Tocantins
About Super Seven
- Hardness Scale: 7
- Mineral Species: Silicates
- Chemical Formula: n{SiO2} p{Fe3+ 24AlO6(PO4)17(OH)12} 75H2O q{α-Fe3+O(OH)}
*The pieces in the photos are samples and as crystals are made by nature, some variations may occur.
