Water Clear Trigonal Habit Quartz Crystal with Starbrary Markings, Minas Gerais, Brazil


Price:
Sale price$25.00

Description

Water clear trigonal habit quartz crystal with unique starbrary glyphs and markings. There are a couple of dings at the edges. 

Size: 68 x 16 x 12 mm. 24 grams

From: Corinto, Minas Gerais, Brazil

 The term "trigonal" stands for a threefold rotational symmetry. Although quartz is trigonal by itself, certain crystal shapes make this more obvious. The most common trigonal habit is one where crystals lack z rhombohedral faces. The rhombohedral z-faces generally tend to be smaller than r-faces, and sometimes they are completely absent.

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