in colors from light green to yellow green to olive
Origin: Madagascar
Porcelain Agate is a natural agate that is dyed and heated to give it the unique blue/black color and pattern that resembles porcelain
however it does not exhibit the play of color seen in precious Opal
It takes its name from Mooka Creek
Blue Kyanite 6x12-10x20mm Free Form Pear A Grade - 15-16 Inch Color_ in colors from light greenKyanite 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