| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from California > Neptunite in Natrolite |
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| DESCRIPTION: | No. 31977 |
| Mineral: | Neptunite in Natrolite |
| Locality: | Benitoite Gem Mine, San Benito County, California |
| Description: | Many dark crystals of lustrous neptunite embedded in white natrolite. The neptunite looks black, but is actually dark, translucent red when rear-illuminated. The crystals in the center are perfect - terminated and undamaged. Ex. Clyde Hardin |
| Overall Size: | 6x4x2 cm |
| Crystals: | 1-16 mm |
| Archived: | For reference only |
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