2.2" Lustrous Rutile Crystals - Graves Mountain, Georgia

Lustrous Rutile Crystals - Graves Mountain, Georgia #47855

This specimen contains a beautiful, deep red-black rutile crystal with a metallic-like luster, on a rutile-pyrophyllite matrix. The largest rutile crystal in the center of the specimen looks to have a transverse stress fracture through the center of the crystal, and scuffing around one end. Otherwise, this a truly fantastic rutile crystal specimen.

Rutile is an oxide mineral composed primarily of TiO2, though iron is a typical chemical variation. It comes in a wide variety of crystal forms, from lustrous metallic-looking crystals and thin straw-like crystals to even deep red crystals with slight translucence. Rutile also forms needle-like inclusion with other minerals, most commonly with quartz. Rarer polymorphs of rutile (TiO2) include anatase and brookite, both of which have unique crystal structures.

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