GeM Government e Marketplace (GeM) is a government-owned procurement portal offering e-bidding, reverse e-auction, and demand aggregation for efficient public procurement
GIA Gem Encyclopedia | Complete List Of Gemstones GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe Each precious stone page features additional detailed gemological information, a buyer’s guide, photos, videos research
Gemstone List - Names, Colors Types of Gems | GemSelect Our gemstone list features over 200 precious and semi-precious varieties, a comprehensive index to find the ideal colored stone Whether for jewelry, collecting, or crystal healing, this gemstone list guides you to the perfect natural gem for your needs List of gemstones A-Z with pictures
Gemstone - Wikipedia A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments
Gemstone | Definition, History, Types, Facts | Britannica gemstone, any of various minerals highly prized for beauty, durability, and rarity A few noncrystalline materials of organic origin (e g , pearl, red coral, and amber) also are classified as gemstones Gemstones have attracted humankind since ancient times, and have long been used for jewelry