|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Switzerland > Quartz var. Smoky Quartz (Dauphiné Law Twins)
|Quartz var. Smoky Quartz (Dauphiné Law Twins)
|St. Gotthard, Switzerland
|Lustrous transparent smoky quartz crystal that is internally flawless. The smoky quartz crystal is twinned following the Dauphiné Law of Quartz Twinning with evident suture lines on the prism faces showing the twin sections. The rear is damaged. Ex. Mort Metersky collection
|For reference only
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