AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Switzerland > Quartz var. Dauphiné-law Twin |
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DESCRIPTION: | No. 37410 |
Mineral: | Quartz var. Dauphiné-law Twin |
Locality: | St. Gotthard, Kanton Uri, Switzerland |
Description: | Two large water-clear quartz crystals that exhibit Dauphine-law twinning as evidenced by the twin suture lines running down the faces and the corner S-faces face {2111} on adjacent corners. Internally they are nearly flawless. Ex. John Albanese (1898-1969), ex. John Albanese, Jr. |
Overall Size: | 16x10x6 cm |
Crystals: | 11.5-16 cm |
Archived: | For reference only |
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