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Few gems have held our attention over millennia as well as sapphire. T... Gem Profile Buying Guide Sapphirine
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. Filter By Country.
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. [1][2][3] Certain rocks (such as lapis lazuli, opal, and obsidian) and occasionally organic materials that are not minerals (such as amber, jet, and ...
100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure. Birthstones are gems assigned to the month of a person*s birth. They are popular gifts in the U.S. Green Gemstones - emerald, peridot, jade, tsavorite, chrome diopside, chrysoprase, more.
Apr 13, 2023 · Gems come in every color of the rainbow and are gathered from all edges of the globe, with each colored gemstone possessing a one-of-a-kind production of lovely color.
Gems & Gemology. Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
Get trusted diamond and gemstone information when you need it. Information and educational services for everyone interested in gemstones. For gemologists, hobbyists, jewelers, lapidaries and everyone in between. Become a Member.
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.
The web's most comprehensive and regularly updated gemogy database with information on gems from around the world and thousands of photos
The Pittsburgh Gem Show brings the largest collection of sterling silver jewelry, rocks, gems, minerals, and fossils to locations in SW Pennsylvania throughout the year.
