|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from California > Tincalconite pseudomorph after Borax
|Tincalconite pseudomorph after Borax
|Kramer District, Boron, Kern County, California
|Powdery white tincalconite pseudomorphs after borax crystals to 18 mm. The borax crystallized first, then altered to tincalconite while maintaining the original shape of the borax crystal. Ex. Mort Metersky collection
|5-18 mm pseudos
|For reference only
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