Opalite Large Hole 10mm Round - 8-inch R1676 Prehnite is translucent to transparent

Prehnite is translucent to transparent

which may form green stains or specks on Azurite crystals or aggregates

this wood variety is so hard that it is often used in heavy construction for beams

African Jade is a complex Calcium Aluminum Silicate and is a Nephrite Jade

It is an opaque stone

Opalite Large Hole 10mm Round - 8-inch R1676 Prehnite is translucent to transparentOpalite is the trade name for man to made glass treated to exhibit the internal flashes of true Opals in translucent samples, and opalescence or lustrous sheen in opaque samples. Opalite can have a blue appearance when placed against a dark background and appear milky white with a pink or orange glow against a light background. Opalite is known by several other names, including Moonstone.