Golden Labradorite 7x9-10x13mm Free Form Rough Pear A Grade - 15-16 Inch 16-inch Rounds Tourmaline occurs in nearly every

Tourmaline occurs in nearly every color in the rainbow and its name derives from “turmali

Dumortierite is an aluminum borosilicate mineral that varies in color from blue

One of the best-known physical properties of topaz is its hardness

They are all varieties of the mineral corundum

Golden Labradorite 7x9-10x13mm Free Form Rough Pear A Grade - 15-16 Inch 16-inch Rounds Tourmaline occurs in nearly everyLabradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This effect is known as labradorescence, taking its name from the stone. Labradorite is usually gray to green, dark gray, light gray or black. It was discovered in Labrador, Canada in 1770 and named for the area, though it is referenced as a highly revered stone in much older Inuit tribal legends.