Black Tourmaline 7x8mm Faceted Swirl Oval - 15-16 Inch hps_04092026 Isaac’s Cathedral in St

Isaac’s Cathedral in St

or merlinite

This lava rolled across the landscape

Von Prehn discovered the stone in South Africa in 1774

deep-blue copper mineral produced by weathering of copper ore deposits

Black Tourmaline 7x8mm Faceted Swirl Oval - 15-16 Inch hps_04092026 Isaac’s Cathedral in StBlack Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmaline 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