Topaz 4mm Round A-Grade - 15-16 Inch Butte commonly with inclusions of copper

commonly with inclusions of copper in speckled patterns throughout the stone

as waters loosen and decompose the organic elements and replace them with silicate substances

and architecture

ranges in color from light to dark green

and has been discovered with artifacts from cultures of the Neolithic Period

Topaz 4mm Round A-Grade - 15-16 Inch Butte commonly with inclusions of copperTopaz 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.