Pentagonite

  
Pentagonite on okenite
  
Pentagonite with calcite
  
 
  
 
  
 
  
Pentagonite with calcite
  
Pentagonite on okenite
Origin: Wagholi Quarry, Poona, near Bombay, India
Sample size: 5.6 x 4.6 x 3.2 cm (top/2nd row), 9.4 x 6.9 x 4.9 cm (3rd/4th row), 6.4 x 4.9 x 3.5 cm (5th/6th row), 4 x 2.5 x 1.2 cm (7th row), 4 x 0.9 x 0.7 cm (8th row), 5 x 3.3 x 2.3 cm (9th/10th row), 6.7 x 4.7 x 3.6 cm (11th/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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