Alphabetical List of Precious and Semiprecious Gemstones
WebNov 26, 2019 · A gemstone is a crystalline mineral that can be cut and polished to make jewelry and other ornaments. The ancient Greeks made a distinction between precious and semiprecious gems, which is still used. Precious stones were hard, rare, and valuable. The only "precious" gemstones are diamond, ruby, sapphire, and emerald.
DA: 40 PA: 35 MOZ Rank: 91