Super Seven Natural Points
Minimum Order: 1kg
Height: 4 - 9.5cm
Width: 3 - 7cm
Weight: 140 - 320g
Locality: Tocantins, Brazil
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.
