| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from California > Neptunite on Natrolite |
 |
 |
 |
 |
 |
| DESCRIPTION: | No. 69680 |
| Mineral: | Neptunite on Natrolite |
| Locality: | New Idria District, San Benito County, California |
| Description: | Lustrous dark red-black neptunite crystals in contrasting white natrolite on gray serpentine. The neptunite crystals appear black, but they exhibit red translucency when illuminated from the rear. Has yellow microcrystals of an unidentified mineral. Ex. Irving Horowitz collection #1931 |
| Overall Size: | 12x6x4 cm |
| Crystals: | micro to 15 mm |
| Archived: | For reference only |
© AllMinerals/JohnBetts-FineMinerals All Rights Reserved
The minerals illustrated on this site are presented for reference purposes only. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this museum. Please contact the property owner to obtain legal permission before entering private property.