Topaz 4mm Coin Faceted AA Grade - 15-16 inch latest-7x10TC 2-3 large ranging 20-30mm

2-3 large ranging 20-30mm

Green is the most common color for Aventurine

in colors from light green to yellow green to olive

It is sometimes used for scalpel blades in cardiac surgery

including the Chin-goo 808 Mine

Topaz 4mm Coin Faceted AA Grade - 15-16 inch latest-7x10TC 2-3 large ranging 20-30mmTopaz is a rare silicate mineral and obtains much of its popularity from its beautiful colors and its status as a birthstone. Topaz occurs in a wide range of natural colors; however, most natural topaz is colorless. The most highly regarded colors are the reds and pinks, which receive their color from trace amounts of chromium. The name "topaz," and variants of the name in other languages, have been used for yellowish gemstones for at least two