6.3 x 3.1 x 2.4 cm. A water-clear, very glassy, Dauphine-twinned smoky quartz crystal from near Hot Springs, Arkansas. Arkansas smoky quartz is not that common and this is a really good. Dauphine-twins are penetration twins with the c-axis as the twin axis. This is a left-handed Dauphine-twin according to the old accompanying card. Beautifully complete all-around, with only trivial termination edge-wear and an undamaged contact on one side. The card probably dates the specimen to the 1950s or 60s. Ex. J. Cilen and Richard Hauck Collections.
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