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Super Seven Slabs

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Description

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.