Quartz
Francisco Sá claims, Francisco Sá, Minas Gerais, Brazil
19.8 x 11.4 x 11.3 cm. The upper halves of these impressive, large, intergrown quartz crystals are water-clear and the striking, sharp termination looks faceted. It is gorgeous and the modest internal veils add much character. Some of the termination faces are preferentially lightly frosted. The lower halves of the crystals are translucent. Weighs ...
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