Minimum Order: 1 piece

Avarage height: 10cm

Avarage width: 4cm

Average weight per piece: 20g

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.