US$ 741.00
Rhyolite or Tuff
Other names include: quickstick
It is a product of nature
the only region in the world where the stone is found
Topaz 4mm Round A-Grade - 15-16 Inch ROUND Rhyolite or TuffTopaz obtains much of its popularity from its beautiful colors and its status as a birthstone. Natural topaz colors include rare and valuable yellow, orange, pink, red, purple, and blue. One of the best known physical properties of topaz is its hardness. It has a hardness of 8 on the Mohs hardness scale, making it the hardest silicate mineral. It also serves as the Mohs hardness scale index mineral for a hardness of 8.
US$ 741.00
US$ 123.00