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

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - 
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Neptunite from Dallas Mine, San Benito County, California

 
Neptunite from Dallas Mine, San Benito County, California

Neptunite from Dallas Mine, San Benito County, California

DESCRIPTION:No. 76021
Mineral:Neptunite
Locality:Dallas Mine, San Benito County, California
Description:Lustrous red-black neptunite crystals on bluish serpentine with minor white natrolite. The neptunite appears black, but under magnification red translucency is visible in the thinnest areas when illuminated from the rear.
Overall Size:19x15x7 mm
Crystals:8 mm
Archived: For reference only

 

 

 

 

 

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