This effect is known as “labradorescence
Crystal Quartz is a naturally occurring clear and colorless Quartz
Ametrine is quartz that occurs in bands of purple and yellow
Blue Apatite ranges in color from light teal to blue to bright blue to dark blue to green
as well as drawing energies from its less dominant colors
Kyanite Multi 6mm Round - 15-16 Inch worstsellers-12262024 This effect is known asKyanite 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