Phenomenal Gemstones: Loose Gems with Optical Phenomena; GemSelect

Phenomenal gemstones are extremely rare and highly prized; truly one of nature's most impressive creations. Gemstone optical phenomena is a result which varies, due to the way light either interacts or interferes with the structural anatomy of any given gemstone. Light interaction or interference can be seen in the form of reflection, refraction, diffraction, scattering, absorption and transmission. There are many different forms of gemstone phenomena, while some effects are quite common, simple and subtle; some are absolutely astounding and dramatic.

Phenomenal gems make excellent gifts for both novice and veteran gem collectors. Most would expect such exotic gemstones to come with a hefty price tag, but many phenomenal gems are surprisingly very affordable. Some examples of gemstone phenomena and popular gem types known to exhibit phenomenal qualities include adularescence, aventurescence, chatoyancy, asterism, iridescence, labradorescence, color change, play of color, pleochroism, fluorescence and tenebrescence.

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Gemstones A-Z

Buy Phenomenal Gemstones

5.03 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.2 x 4.2 mm

1.9 ct Loose Oval Cut Black Opal, 11.5 x 8.2 mm From Ethiopia

31.96 ct Oval Jasper, 30 x 18.6 mm From Indonesia

1.24 carat Pink Morganite, Pear Shape loose Morganite from Brazil, Natural Untreated Gem, 12.8 x 5.8 mm

2.89 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 6.9 mm

0.81 ct Loose Round Cut Lapis Lazuli, 6.1 mm From Afghanistan

3.34 ct Round Checkerboard Smoky Quartz, 7.9 mm From Brazil

9.18 ct Green Jadeite, 17.8 x 13.7 mm Oval Cut From Myanmar

5.13 carat Pear Pietersite, loose Certified Pietersite from Namibia, Natural Untreated Gem, 18 x 9.8 mm

6.62 carat Swiss Blue Topaz, Heart loose Topaz from Brazil, Natural Gems, 9.1 x 9 mm

1.78 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8 x 6.1 mm

3.77 ct Green Agate, 16.6 x 9.5 mm Carved From India

1.85 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gems, 3.6 mm

8.12 ct Oval Agate, 12.6 x 12.3 mm From Indonesia

0.53 ct Loose Violet Sapphire, 5.9 x 4.1 mm Oval Cut From Tanzania

0.8 carat Pink Malaya Garnet, Round loose Malaya Garnet from Tanzania, Natural Untreated Gem, 5.4 mm

0.54 ct Green Sphene, 5.1 x 3.9 mm Cushion Cut From Sri Lanka

1.04 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 6.7 x 5 mm

3.08 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.2 x 10 mm

3.26 ct Multicolor Mystic Quartz, 11.1 x 9 mm Oval Concave Cut From Brazil

0.88 ct Baguette Cut Smoky Quartz, 6.6 x 5.4 mm From Brazil

3.88 carat White Topaz, Square loose Topaz from Brazil, Natural Untreated Gems, 4.1 x 4.1 mm

36.38 ct Yellow Quartz, 24.1 x 18.1 mm Oval Cut From Brazil

2.66 ct Pink Kunzite, 7.4 x 6.8 mm Cushion Cut From Afghanistan

1.09 carat Opal, loose Certified Opal from Ethiopia, Natural Gem, 7.9 x 6.9 mm

8.12 ct Marquise Rainbow Moonstone, 22.7 x 7.7 mm From the United States

7.14 ct Loose Round Concave Cut Mystic Quartz, 10.2 mm From Brazil

1.6 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.9 x 4.9 mm

0.19 carat Baguette Cut Emerald, loose Certified Emerald from Colombia, Natural Untreated Gem, 3.7 x 2.9 mm

3.27 ct Round Rutile Quartz, 9.1 mm From India

0.93 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 15.7 x 3.3 mm

48.11 carat Pear Bloodstone, loose Certified Bloodstone from Madagascar, Natural Untreated Gem, 36.4 x 25.9 mm

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