Black Flower Tourmaline 8mm Round - 15-16 Inch 48hr_11282023 calcium and aluminum with trace

calcium and aluminum with trace amounts of iron

a silicate of calcium and magnesium -- from western Canada

orthorhombic crystals or in massive form

after its type locality

Mexican Black and Red Zebra Jasper has banded and marbled patterns of translucent to opaque milky white

Black Flower Tourmaline 8mm Round - 15-16 Inch 48hr_11282023 calcium and aluminum with traceBlack 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