Gemstone, Definition, History, Types, & Facts

Gemstone, any of various minerals highly prized for beauty, durability, and rarity. A few noncrystalline materials of organic origin (such as pearl and amber) also are classified as gemstones. Of the more than 2,000 identified natural minerals, fewer than 100 are used as gemstones and only 16 have achieved importance.

Gemstones: Facts, photos, and information for over 100 gems.

Gemstone Meanings - What are their powers and symbolic use?

Gemopedia - Gemstone Encyclopedia

Amethyst - Wikipedia

Gemstone, Definition, History, Types, & Facts

Gemstone Meanings - What are their powers and symbolic use?

Gemopedia - Gemstone Encyclopedia

List of Gemstones: Precious and Semi-Precious Stones - Gem Society

The Beginner's Guide to Peridot

Gemstones Guide Definition, History, Facts, Types & Features