Description
Water clear trigonal habit quartz crystal with unique starbrary glyphs and markings. There are a couple of imprints near the base of the crystal.
Size: 74 x 15 x 11 mm. 20 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.






