| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Oklahoma > Galena (Spinel-Law twinned crystals) with Anglesite coating plus Sphalerite |
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| DESCRIPTION: | No. 63678 |
| Mineral: | Galena (Spinel-Law twinned crystals) with Anglesite coating plus Sphalerite |
| Locality: | Picher District, Ottawa County, Oklahoma |
| Description: | Galena crystals to 18 mm on dark brown sphalerite crystals to 4 mm over gray chert. The galena crystals are all twinned on the {111} octahedral plane following the Spinel Law of isometric twinning. White anglesite microcrystals coat most of the crystals. Ex. Irving Horowitz collection #2201, acquired in 1989 from Horn Minerals |
| Overall Size: | 25x14x5.5 cm |
| Crystals: | micro to 18 mm |
| Archived: | For reference only |
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