Description

Minimum Order: 1kg

Height: 3.5 - 6.5cm

Width: 4 - 7cm

Weight:  20 - 100g

Locality: Ceará, Brazil 

 

About Black Obsidian

  • Hardness Scale: 5 to 5.5
  • Mineral Species: Igneous Glass
  • Chemical Formula: 70% + Silicon Dixoide (SiO2) 

 

*The pieces in the photos are samples and as crystals are made by nature, some variations may occur.

* Some pieces may contain inclusions!