AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from California > Neptunite on Natrolite

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Neptunite on Natrolite from Benitoite Gem Mine, New Idria District, San Benito County, California

 
Neptunite on Natrolite from Benitoite Gem Mine, New Idria District, San Benito County, California

Neptunite on Natrolite from Benitoite Gem Mine, New Idria District, San Benito County, California

DESCRIPTION:No. 59342
Mineral:Neptunite on Natrolite
Locality:Benitoite Gem Mine, New Idria District, San Benito County, California
Description:Many lustrous red-black neptunite crystals on white natrolite over bluish serpentine. The neptunite appears black, but under magnification red translucency is visible in the thinnest areas.
Overall Size:28x25x14 mm
Crystals:1-18 mm
Archived: For reference only

 

 

 

 

 

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