Exotic Blue Kyanite Crystal (also known as cyanite or disthene) Round Beads Dangle 925 Silver Leverback Earrings

6 and 10mm round shape nicely colored Blue Kyanite (also known as cyanite) beads dangle 925 Silver leverback Earrings
Kyanite specimens have a variable hardness. The long crystals have a Mohs hardness of about 4.5 to 5 if tested parallel to the length of a crystal, and a hardness of 6.5 to 7 if tested across the short dimension of a crystal. The mineral was once commonly called "disthene" which means "two strengths."
Earrings is handmade and can be customized upon request.
Location: Minas Gerais, Brazil
Size: 3.7 Centimeter in length including leverback (1.5 inches)
Weight: 6.1 Grams Combined