Labradorite 20mm A Grade Coin Cabochon R0442 Kambaba Jasper is a sedimentary

Kambaba Jasper is a sedimentary stone comprised of microcrystalline Quartz interlaced with Stromatolites — ancient fossilized colonies of primeval microorganisms

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A Manganese inosilicate (or chain silicate)

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

Labradorite 20mm A Grade Coin Cabochon R0442 Kambaba Jasper is a sedimentaryLabradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This effect is known as labradorescence, taking its name from the stone. Labradorite is usually gray to green, dark gray, light gray or black. It was discovered in Labrador, Canada in 1770 and named for the area, though it is referenced as a highly revered stone in much older Inuit tribal legends. Sold