| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Ferberite |
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| DESCRIPTION: | No. 43504 |
| Mineral: | Ferberite |
| Locality: | Boulder County, Colorado |
| Description: | Compact mass of crystallized black ferberite with lustrous crystal faces and no other minerals or matrix present. A novice might mistake this specimen for sphalerite, but the specific gravity test proves it is ferberite. Ex. W. Frech (1913-1998) collection #622 |
| Overall Size: | 5x4x3 cm |
| Crystals: | 1-4 mm |
| Archived: | For reference only |
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