Ruby 3mm Round AA Grade - 15-16 Inch Solar Plexus Obsidian is produced when lava

Obsidian is produced when lava erupts from a volcano and cools rapidly with minimal crystal growth

Like other Agates

A Manganese inosilicate (or chain silicate)

” as it creates sparks when struck on steel

3 inches (7

Ruby 3mm Round AA Grade - 15-16 Inch Solar Plexus Obsidian is produced when lavaRuby 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