Neptunite

  

Neptunite, benitoite and joaquinite on natrolite and crossite

  

Neptunite and djurleite (one can be seen at the base of one of the neptunite crystals) on natrolite and crossite

  

Neptunite and benitoite on natrolite and crossite

  

Neptunite and benitoite on natrolite and crossite

  

Neptunite and joaquinite on natrolite and crossite

Origin: Benitoite Gem Mine, San Benito Co., California, U.S.A.

Sample size: 8.5 x 6.2 x 3.5 cm (top/2nd row), 11.5 x 5.9 x 3.9 cm (3rd/4th row), 9.3 x 7 x 1.8 cm (5th/6th row), 11 x 10.5 x 4 cm (7th row), 7.5 x 4.5 x 3.1 cm (8th row)

 

Photo courtesy of: 

Trinityminerals.com

 

  

  

Sharp and lustrous neptunite crystals to 1.6 cm, nicely balanced on a thin matrix with sparing natrolite. Note the tiny beige joaquinite in association!

     

Origin: Dallas Gem Mine, San Benito County, California, U.S.A.

Sample size: 6.6 x 4.4 x 2.7 cm (top/2nd row), 3.3 x 1.7 x 1.2 cm (3rd/bottom row)

 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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