Tourmaline 4x4-8mm Banded Faceted Tube - 15-16 Inch #1207 Rutilated Quartz is a silicon

Rutilated Quartz is a silicon dioxide mineral with unique needle-like inclusions of Rutile

The yellowish colors of heliodor are usually caused by small amounts of iron within the mineral's crystal structure

and as such is a particularly soft stone

a Greek philosopher and botanist who also named the stone

it is formed through the combination of carbonated water

Tourmaline 4x4-8mm Banded Faceted Tube - 15-16 Inch #1207 Rutilated Quartz is a siliconTourmaline 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