Mother of Pearl
Blue Lace Agate is a naturally occurring soft blue agate
It takes its name from Mooka Creek
Sapphires are precious gemstones
depositing layer upon layer of Quartz silicate to create the banding and patterns now prized in Botswana Agate
Blue Kyanite 6x12-10x20mm Free Form Pear A Grade - 15-16 Inch Color_ Mother of PearlKyanite 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