Topaz 8x10-10x12mm Rough Nugget A Grade - 15-16 Inch Stone Type_Blue Hackmanite It has a hardness of

It has a hardness of 8 on the Mohs hardness scale

Red Agate is a form of Chalcedony

Labradorite is usually gray-green

4 Inches / 40x60mm / 4x6cm

from which its name was derived

Topaz 8x10-10x12mm Rough Nugget A Grade - 15-16 Inch Stone Type_Blue Hackmanite It has a hardness ofTopaz 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