Amethyst Obelisk rainbow moonstone These pieces are polished into

These pieces are polished into a vase shape

which is commonly found in evaporite deposits formed from ancient saltwater bodies

It is composed of a mix of quartz

A Petoskey stone is a rock and a fossil that is often pebble-shaped and composed of a fossilized rugose coral

The crystals are short pyramidal to long prismatic crystals containing a vitreous to resinous luster

Amethyst Obelisk rainbow moonstone These pieces are polished intoAmethyst is a purple variety of quartz that gets its color from irradiation and inclusions of iron in the crystal lattice. Amethyst has been prized for thousands of years as a gemstone, commonly being used in jewelry. Ancient Greeks believed that amethyst prevented the intoxicating effects of alcohol. Amethyst was considered a precious gem until the 18th century when large deposits were discovered in South America. Its Mohs hardness is 7. These pieces