| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from California > Neptunite on Natrolite |
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| DESCRIPTION: | No. 56995 |
| Mineral: | Neptunite on Natrolite |
| Locality: | Dallas Mine, San Benito County, California |
| Description: | Lustrous red-black neptunite crystals on white natrolite. The neptunite appears black, but under magnification red translucency is visible in the thinnest areas. The largest crystal was fractured post-deformation and frozen in position in the natrolite. |
| Overall Size: | 32x25x18 mm |
| Crystals: | 1-22 mm |
| Archived: | For reference only |
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