The most common crystal shape in this group is the rhombic dodecahedron, a twelve-sided crystal with rhombic faces. Since no other crystal shape is as closely associated with a certain class of minerals, garnets are recognized for their fundamental form. Magnificent Garnet Bracelets is the stone that represents a couple’s second wedding anniversary and is the birthstone for January. Garnet is a type of extensively metamorphosed and some igneous rock. This group of minerals leaves an imprint of extreme stress on the surrounding rock because they form under extreme pressure and temperature.
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