Approximately 11 beads per strand
This turquoise is mined from the Sonora mines in Mexico
black or brown veins running through it in web to like patterns
highly prized for jewelry
” It is chemically identical to Granite
Kyanite 3-5mm Graduated Faceted Rondelle - 15-16 Inch Supplies-Resources-Tools-Pliers-Cutters Approximately 11 beads per strandKyanite often occurs as long, bladed, striated crystals, transparent or translucent with a pearly luster. An aluminum silicate mineral, it may appear in white, pink, yellow, orange, green, blue, gray and black. In addition to its value as a gemstone, Kyanite is also extremely useful in industrial applications due to its high heat resistance. It is often used in kiln furniture and foundry molds, as well as for brake shoes, grinding wheels and cutting