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 090 Ct NATURAL SPHENE TITANITE LUSTRE LIKE DIAMOND GEM  US $23.32
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 1 Ct NATURAL SPHENE TITANITE RARE GEMSTONE FACET GEM SI US $19.93
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 1 Ct NATURAL SPHENE TITANITE MORE LUSTER OF DIAMOND GEM US $23.73
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 105 Ct NATURAL SPHENE TITANITE RARE GEMSTONE FACET GEM US $21.83
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 295 Ct NATURAL SPHENE TITANITE RARE GEMSTONE PEAR GEM US $13.37
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 213 Carat Alexandrite with 60 Color Change GIA US $5,325.00
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 Carved Multi Color Moss Agate Mink Pendant Bead US $9.00
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 Ocean Wave Jasper Agate Pendant bead S006183 US $2.99
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 Carved Ruby In Fuchsite Flowers Pendant Bead US $10.96
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 African Green Opal Pendant bead Y106332 US $3.24
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 Orange Green Calcite Pendant bead X105264 US $2.99
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 Carved Multi Color Agate Dog Pendant Bead US $7.24
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 Natural Zambian Emerald 60ct 7x5mm Oval Loose Gemstone Gems TV US $61.56
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 Ocean Jasper Pendant bead W101194 US $2.99
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 Mexican Agate Cabochon CAB X311087 US $4.24
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 Multi Color Spiderweb Agate Pendant bead W016170 US $2.99
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 African Green Opal CAB Cabochon W309067 US $12.57
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 100 CARAT MIXED GEM LOT NATURAL LOOSE GEMSTONE MIX GEMS ★ PARCEL CT SEMI PREC US $19.95
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 African Green Opal Pendant bead Y106492 US $2.99
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 Malachite with Chrysocolla Pendant bead U108204 US $2.99
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 Ocean Wave Jasper Pendant bead Y019297 US $2.99
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 Dot Howlite Pendant bead W831102 US $2.99
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 Green Lace Chalcedony Pendant Bead G94814 US $3.80
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 1 1 2ct Solitaire or Loose Round Natural Diamond 143ct US $5,950.00
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 3649ct 100 Natural Crystal White Quartz Necklace BRAZIL US $.99
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 1605 CTS MEXICAN FIRE AGATE VERY NICE MUST SEE US $21.99
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 Natural 1326ct Rich Purple Amethyst Facet Rough Gem AFRICA US $1.99
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 Green Jasper with Garnet Pendant bead S000004 US $2.99
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 Natural 1490ct Rich Purple Amethyst Facet Rough Gem AFRICA US $1.99
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 Multi Color Spiderweb Agate CAB Cabochon J301383 US $2.99
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 Natural 1498ct Rich Purple Amethyst Facet Rough Gem AFRICA US $1.99
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 574ct 100 Natural Sea Blue Aquamarine Facet Crystal gem BRAZIL US $1.99
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 023cts Pear Fancy Green Natural Loose Diamond US $56.00
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 ViPSCOLLECTION SILVER 925MM NECKLACE W EPIDOTE QUARTZ US $29.00
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 600ct 100 Natural Ziggurat Blue Aquamarine Facet Crystal gem BRAZIL US $1.99
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 Chinese Painting Jasper Cabochon CAB S306032 US $2.99
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 670ct 100 Natural Light Blue Green Aquamarine Facet Rough gem BRAZIL US $1.99
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 Multi Color Moss Agate Pendant bead N004190 US $2.99
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 804ct 100 Natural Blue Green Apatite Facet Rough gem AFRICA US $1.99
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 Green Tree Jade Pendant bead X022247 US $2.99
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 Swirly Kambaba Pendant bead Y212022 US $2.99
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 Untreated 137ct Natural Green Emerald Facet Rough Gem ZAMBIA US $1.99
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 542CT GREEN MULTI COLORED FULLY CERTIFIED SPHENE VVS US $1,350.00
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 Chinese Painting Jasper Pendant bead R221457 US $2.99
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 269ct Natural Orangish Violet Rhodolite Garnet Facet Rough Gem AFRICA US $1.99
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 HUGE 3405 CT FANCY TOP QUALITY SWISS BLUE NATURAL TOPAZ VVS US $42.13
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Diamond Types
Diamonds are classified broadly under the categories of Natural Diamond, Synthetic Industrial Diamond and Thin Film Diamonds on the basis of their process of origination.
Diamonds remain to be the most fascinating gift that a woman can ever dream about. The word “diamond” is derived from a Greek word “adamas” which stands for “invincible". Due to its atomic structure, diamond is the hardest natural matter. This expensive and translucent Gem is made of carbon.
Diamonds can be scientifically classified into 4 types, known as type 1a, 1b, 2a, and 2b.
Diamonds are made of carbon, and are extremely pure, but in almost all diamonds there are tiny proportions of other elements, interspersed within the carbon as part of their Crystal structure. These "impurities" are not what are known as inclusions, and are so small as to be invisible even under a very powerful microscope.
Type 1 Diamonds
Type 1 diamonds contain nitrogen. About 98% of all diamonds are type 1a
Type 1a
If the nitrogen atoms are clustered together within the carbon lattice, then the diamond is said to be a Type 1a diamond. Because these diamonds absorb blue light, they can have a pale yellow or brown color. 98% of diamonds are Type 1a.
Type 1b
If the nitrogen atoms are evenly spread out throughout the carbon lattice, then the diamond is said to be a Type 1b diamond. These diamonds absorb green light as well as blue light, and have a darker color than type 1a diamonds. Depending on the precise concentration and spread of the nitrogen atoms, these diamonds can appear deep yellow ("canary"), orange, brown or greenish. Less then 0.1% of diamonds belong to Type 1b.
Type 2
Type 2 are diamonds that absorbed no, or very few, nitrogen atoms.
Type 2a
These diamonds can be considered as the "purest of the pure" - they contain no, or minuscule amounts of impurities and are usually colorless. Unless, that is, the carbon tetrahedrons that make up the diamond were twisted and bent out of shape while the diamond rose to the surface of the earth. An imperfect carbon lattice will make the diamond absorb some light, which will give it a yellow, brown or even pink or red color. 1-2% of diamonds belong to Type 2a.
Type 2b
These diamonds contain no nitrogen - but they do contain boron, which absorbs red, orange and yellow light. These diamonds therefore usually appear to be blue, although they can also be grey or nearly colorless. All naturally blue diamonds belong to Type 2b, which makes up 0.1% of all diamonds.
About the Author
Addie Jakson is 25 years old, article writer by education because she loves to. In addition to writing about fashion, she is a specialist of writing articles for studs’ jewelry. She is known for great articles for studs’ jewelry. www.diamondstudsofamerica.com
