Ruby 4mm Microfaceted Round A Grade - 15-16 Inch Dakota Stones blue or gray

blue or gray

It has a hardness of 8 on the Mohs hardness scale

Lepidolite has a glassy or lustrous sheen

milky white and clear

Mica is a mineral name given to a group of minerals that are physically and chemically similar

Ruby 4mm Microfaceted Round A Grade - 15-16 Inch Dakota Stones blue or grayRuby is a precious gemstone known for its deep red color. It is a variety of the mineral corundum, the second hardest mineral next to diamond . The presence of chromium is what gives a ruby its red color. Trace amounts of iron can also affect the hue, giving some rubies a slightly brownish or purplish tint. Ruby has long been considered one of the most beautiful and valuable gemstones on the planet. At times in ancient history, Ruby was valued more