Pentagonite

  
Pentagonite on okenite
  
 
  
 
  
  
 
  
 
  
  
 
  
Pentagonite with calcite
Origin: Wagholi Quarry, Poona, near Bombay, India
Sample size: 6.1 x 4.9 x 4.5 cm (top/2nd row), 2.5 x 2 x 1.4 cm (3rd row), 7 x 5 x 2.7 cm (4th/5th row), 6 x 5 x 4.4 cm (6th/7th row), 5.4 x 4.8 x 3.1 cm (8th/9th row), 8.6 x 6.6 x 6.1 cm (10th/11th row), 5.5 x 5.3 x 3.4 cm (12th/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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