Grey Moonstone 7x9-8x10mm Pebble A Grade - 15-16-Inch Slab but will not be chemically

but will not be chemically treated or altered

Opals are hydrated amorphous forms of silica

and an Amazonite ring was found among the treasures in King Tutankhamun’s tomb

Calcite is the principal constituent of limestone and marble

and this phenomenon is thought to be due to impurities of yttrium or organic matter within the crystal lattice

Grey Moonstone 7x9-8x10mm Pebble A Grade - 15-16-Inch Slab but will not be chemicallyGrey Moonstone is named for its grey glow or chatoyancy, as well as a prismatic quality that differentiates it from other varieties of Moonstone. Moonstone is a Feldspar mineral that was used in Roman jewelry nearly 2,000 years ago. It has also been considered a sacred stone in India throughout its history, believed to have a special significance to those in romantic relationships.