Where is tourmaline stone originate from?
Question: Whose is the sink of tourmaline stone?
Answer: The tourmaline mineral series is chemically one of the most complicated groups of silicate minerals. It is a complex silicate of aluminium and boron, but because of isomorphous replacement (stable solution), its composition varies widely with sodium, calcium, iron, magnesium,

1, of tack) and a 24.7 carat cut-and-polished piece of tourmaline, which is the state gemstone. This nice stone, a blue tourmaline, was discovered ...
The Laser Honour winners included first-place winner Jimi Gwinn of JS Gwinn Crushed Jewelry in Paducah, Ky., for "Tickled Pink," a tourmaline and amethyst ...










