Kyanite 3-5mm Graduated Faceted Rondelle - 15-16 Inch Color_Yellow and in standard porcelain

and in standard porcelain

" Our Beryl strands include a number of examples of the varieties

The different colored zones in the stone result from different oxidation states of iron

This turquoise is known for having a higher silica content than many other types

The inclusions can be so dense as to make the clear Quartz nearly opaque

Kyanite 3-5mm Graduated Faceted Rondelle - 15-16 Inch Color_Yellow and in standard porcelainKyanite 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