Multi Tourmaline 2mm Faceted Cube A Grade - 15-16 Inch Red Crystal Quartz Indigo gabbro is a color

Indigo gabbro is a color variant of the igneous mineral

It is known for its abstract designs in rusty red

and this phenomenon is thought to be due to impurities of yttrium or organic matter within the crystal lattice

The colors in this stone can range from pistachio to moss green with areas of pink

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Multi Tourmaline 2mm Faceted Cube A Grade - 15-16 Inch Red Crystal Quartz Indigo gabbro is a colorTourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to dark. It can even exhibit various colors within the same specimen. Its name derives from the Sinhalese word turamali, which translates to stone of many colors. Due to this variety of colors, Tourmaline has often been confused with other stones. Many stones in the Russian crown jewels from the 17th century