| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Kaolinite pseudomorph after Orthoclase Carlsbad-law Twin |
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| DESCRIPTION: | No. 58941 |
| Mineral: | Kaolinite pseudomorph after Orthoclase Carlsbad-law Twin |
| Locality: | Melbur Pit, St. Austell District, Cornwall, England |
| Description: | White kaolinite pseudomorphs after orthoclase crystals that were twinned following the Carlsbad Law of feldspar twinning. The orthoclase crystallized first, then altered molecule by molecule to kaolinite, maintaining the original orthoclase shape. Ex. B. Gaber collection #1439; ex. Nick Carruth (Cornwall, England) |
| Overall Size: | 5.5x2.5x1 cm |
| Crystals: | 55 mm |
| Archived: | For reference only |
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