Indigo Gabbro is a relatively new crystal mined in Madagascar and in various locations in Alaska. It has an amazing array of colors from light indigo purple to black. "Gabbro" refers to a large group of dark, coarse-grained mafic, or igneous rock, formed of silicate [SiO2, or quartz] that is rich in magnesium and iron. It has a chemical equivalent to basalt, but with decidedly different energies. Gabbro is an essential part of the oceanic crust. Gabbro is a combination of multiple minerals containing feldspar, chlorite, serpentine, muscovite, pyroxene, hercynite, and magnetite in a charcoal colored matrix; it may also contain small amounts of olivine, chrome garnet, actinolite, and biotite; It can also contain valuable amounts of chromium, nickel, cobalt, gold, silver, platinum, and copper sulfides.

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