GemAuction Learning Center
	We have developed the Gem Auction Learning Center (GLC) to help you make inform decisions when bidding on Gemstones. We have used 15+ years of industry experience and research of the current market events to bring you the most up-to-date information available. Just click on the Gem or its specific information and learn more about that Gem !!!
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	Amethyst: Ancient Greeks called it "Amethystos" which means "not intoxicated" Color Origin Buying Tips Beware of Synthetics top Ametrine: The Bi-color variety of the Quartz family The Best Bi-Color Gem, Big, Beautiful, and Affordable. What else can you ask for? Best in Emerald Cut & Fancy Creative Design top Andalusite: A beautiful gem which displays a wonder of nature - pleochroism The Poorman's Alexandrite A Collector's Gem, Rare in large sizes Best in Emerald Cuts & Cushions top Aquamarine: Birthstone for March-Born Babies Brazil, Country of Aquamarine How To Test Aquamarine & Blue Topaz Blue Beryl Aquamarine A trade off between color and size Heating Aquamarine top Bi-Color Sapphire: New amazing rare beauty of Nature An African Invention Unusually Naturally Unheated top Black Opal: Finest and most desirable of Opals Only mined in Australia Black Opals are not always black How to evaluate Black Opals Black Opals are more stable Color pattern dvisions, crazing, and fractures Boulder Opals Yowah Opals top Blue Sapphire: Birthstone for September-Born Babies Kashmir color, Royal Blue, Cornflower Blue, Ceylon or Baby Blue Sapphire Kashmir Sapphire Royal Blue Cornflower Blue Ceylon Baby Blue Sapphire Which Sapphire to buy? Investment Grade Heat treated & deep diffusion Sapphires A natural unheated color Sapphire is a good investment top Blue Zircon: Birthstone for December-Born Babies Blue Zircon in not a new gem Blue Zircon is naturally radioactive Blue Zircons are collector's Gems top Champagne Zircon: The Original Color Brownish Red, the natural original color Thailand is the world center of Zircon top Chrome Tourmaline: Always containing Chromium The most confusion green Gem What to look for when buying Chrome Tourmaline? top Doublet Opal: Opal in conjunction with another material Do not confuse Doublet Opals and Natural Boulder Opals top Emerald: Birthstone of May-Born Babies The most desirable shape and cut Inclusions and color Colombian or African? Emearld or Green Beryl? Investment Grades How to buy well? Watch out for fakes and imitations Protect your investment top Fancy Champagne Diamond: Not only white diamonds are beautiful Australia's Argyle mine Color and SEX Diamonds are sexy Value and color top Fire Opal: Hot and Fiery Mexican and Oregon Fire Opal Beautiful but fragile Cherry Red Mexican Fire Opals Indarobrenstein and U.S.A. are the best cutting centers for Fire Opals Hot and Fiery Watch out for fakes top Golden Beryl: Beautiful color of the sun Yellow Beryl or Helidor Helidors are collector's Gems top Green Sapphire: Another beautiful Sapphire variety Best when it's pure green Where green Sapphires come from? The lowest priced and under evaluated color in Sapphires Beautiful green, harder, and more affordable than Emearlds top Iolite: The water blue Sapphire How to buy Iolite? Iolite supply can not meet the market's demand top Kunzite: Named after George F. Kunz An evening stone Usually heated or irradiated A well cut Kunzite will make beautiful jewelry Sources of Kunzite top London Blue Topaz: A beautiful enhancement of the white Topaz Malaya Garnet: One of the most beautiful rare African Gems Malaya Garnets are African Gems The most valuable non-green Garnet The most distinguising factor top Moonstone: Believed to be solidified moonlight, bringing good fortune Star Moonstones and Cat's Eye Moonstones An interesting variety of body color Rainbow Moonstones An old romantic Gem top Natural White Topaz: A naturally beautiful stone with attractive colorless brilliance Orange Zircon: The Original Color Brownish Red, the natural original color Thailand is the world center of Zircon top Padparadscha Sapphire: The rarest and the most valuable gem in the Corundum family A melting beauty of the whole Corundum family Ceylon and African Padparascha top Peridot: for August Babies Between the Egyptian history and the American future Burma Peridot Pakinstani Peridot Chinese Peridot Arizona, the American future of Peridot Why large size Peridots? August babies that do not like their birthstones?! Usually included, extremely valuable when flawless and over 5ct in size top Pink Sapphire: Pink Sapphire or Pink Ruby Buying tips Red Spinel: Crown Jewels of England The underestimated Gem Color is not the only similarity between Ruby and Spinel Flame Spinel Multi-colored Spinel Spinel is usually flawless Best replacement for Sapphires top Red Zircon: The Original Color Brownish Red, the natural original color Thailand is the world center of Zircon top Rubellite Tourmaline: One of the most prized and expensive varieties of the Tourmaline Family Sounds like Ruby but not always red Usually included Type III Gem Where Rubellite Tourmaline is found? The world has changed Untreated, flawless, and the best deal ever in the Gem world top Ruby: The color of Passion Burma The 4 C's: Color, Color, Color, and Color African Rubies Ruby Treatment Synthetic and Lab Grown Rubies Investment Grade top Sky & Swiss Blue Topaz: A beautiful enhancement of the white Topaz Tsavorite: One of the most valuable and rarest Gem in the Garnet Family Apple Green Tsavorite Investment Grade top White Opal: Latin word "Opalus," which meant "to see change of color" Opal, is it really bad luck? Precious White Opals, Crystal Opals, and Jelly Opals Pattern lines are not cracks top White Sapphire: The hardest white precious Gem next to Diamond White Sapphires are only mined in Sri-Lanka It has its own magic White Sapphires in wedding rings top Yellow Sapphire: The color of wealth and richness Heating Yellow Sapphires What to look for when you buy Yellow Sapphires? Investment Grade Natural color Yellow Sapphires are rare Yellow Sapphires are associated with Sri-Lanka top
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