Tourmaline 8x10-9x13mm Side Drilled Pebble - 15-16 Inch Chips TD AA Grade Mohs Hardness: 6-6

Mohs Hardness: 6-6

and may also be referred to as Jacktree

until the 17th century Crystal Quartz was believed to be permanently frozen water

the mineral was named for French paleontologist Eugene Durmortier (1803 to 1873)

also known as Amazon Stone

Tourmaline 8x10-9x13mm Side Drilled Pebble - 15-16 Inch Chips TD AA Grade Mohs Hardness: 6-6Tourmaline 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