Garnet: Colors and Types of Garnet – Geology In
Almandine Garnet Crystal with Muscovite crystals on the side. From Gilgit, Gilgit District, Northern Areas, Pakistan. Photo: mardani Fine Minerals Almandine is the most common Garnet. The almandine crystal formula is: Fe3Al2(SiO4)3. Magnesium substitutes for the iron with increasingly pyrope-rich composition. Almandine range in color from Dark red to black. t is frequently cut with a convex face, or en cabochon, and is then known as carbuncle.
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