Ruby
Robijn, Rubi, Rubí, Rubiin, Rubiini, Rubin, Rubinas, Rubīns, Rubino, Rubis, Yakut, Hồng ngọc, ياقوت, ルビー, 루비, Рубин, కెంపు, ทับทิม, 紅寶石
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: Al2O3
Mineral class: oxides Crystal system: trigonal Mohs scale: 9 Density (g/cm3): 3.9 - 4.1 Refractive index: 1.757 - 1.779 Cleavage: - Color: red in variations, caused by traces of iron, and up to 0.1% chromium oxide which partially replaces the aluminium oxide in the unit cell Luster: vitreous Fluorescence: strong carmine red Pleochroism: yellowish-red - dark carmine red Largest ruby: Rough: 8.184 kg measuring 130 mm x 138 mm x 145 mm (Source: http://www.guinnessworldrecords.com). Faceted: 23.1 ct Faceted: 4,185 ct ("Star of Jaipur") Faceted, best quality: 23.1 ct (Smithsonian Institution's National Gem and Mineral collection in Washington, D.C.) Cabochon, best quality: 38.12 ct Deposits: worldwide Discovery: ? 1st Description: 1805 Name: from the medieval Latin word "rubens" (red) |
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Ruby Mineral
Size: 5.5 x 3.2 x 3 cm Origin: Mogok / Myanmar Photo by kind permission of © www.irocks.com |
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Ruby Mineral
Origin: Jagdalak Ruby Mine / Sorobi Distr. / Kunar Prov. / Afghanistan Photo by kind permission of © www.irocks.com |
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Ruby Mineral
Size: 0.7 x 0.4 x 0.3 cm Origin: Mogok / Myanmar Photo by kind permission of © www.qualitygemsminerals.com |
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Ruby
Size: 0.7 x 0.84 x 0.41 cm Weight: 2.16 ct Origin: Quy Chau / Vietnam Photo by kind permission of © www.wildfishgems.com |
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Ruby Ring
Ruby: 52.20 ct; 1.99 x 1.86 cm; Yen Bai / Vietnam Gold: 18K Yellow Gold Photo by kind permission of © www.davidwein.com |
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Ruby
Size: 1 x 0.85 x 0.61 cm Weight: 3.21 ct Origin: Tanzania Photo by kind permission of © www.wildfishgems.com |
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Ruby
Weight: 0.77 ct Origin: Aappaluttoq / Fiskenaesset / Sermersooq Municipality / Greenland Photo by kind permission of © www.truenorthgems.com |
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Ruby Mineral
Size: 1.5 x 1.3 x 1.3 cm Origin: Mogok / Myanmar Photo by kind permission of © www.irocks.com |
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Ruby
Size: 0.57 x 0.71 x 0.36 cm Weight: 1.28 ct Origin: Wellawaya / Sri Lanka Photo by kind permission of © www.wildfishgems.com |
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Ruby Necklace and Earrings "La Maria"
Necklace: 718 rubies (total 30.99 ct), 18K red gold Earrings: 224 rubies (total 10.13 ct), 18K red gold Origin of the rubies: Aappaluttoq / Fiskenaesset / Sermersooq Municipality / Greenland Photo by kind permission of © www.truenorthgems.com |
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Ruby Mineral
Size: 1.43 x 1.41 x 1.1 cm Origin: Mogok / Myanmar Photo by kind permission of © www.mineralman.com |
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Ruby
Weight: 1.46 ct Origin: Andilamena / Madagascar Photo by kind permission of © www.multicolour.com |
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Ruby Ring
Ruby: 2.12 ct; 0.74 cm; Myanmar Diamonds: 164; total 0.73 ct Gold: 18K White gold Photo by kind permission of © www.africagems.com |
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Ruby Mineral
Size: 1.8 x 1.3 x 1.1 cm Origin: Winza / Mpwapwa Distr. / Dodoma Region / Tanzania Photo by kind permission of © www.irocks.com |
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Ruby
Weight: 2.46 ct Origin: Songea / Ruvuma / Tanzania Photo by kind permission of © www.multicolour.com |
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Ruby Ring
Ruby: 0.70 ct; 0.60 x 0.40 cm; Myanmar Diamonds: 14; total 0.10 ct Gold: 14K yellow gold Photo by kind permission of © www.africagems.com |
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Ruby Ring
Ruby: 5.17 ct; 0.96 x 1.19 cm; Myanmar Diamonds: 54; total 0.57 ct Gold: 18K white and yellow gold Photo by kind permission of © www.africagems.com |
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Ruby Ring
Ruby: 2.07 ct; 0.75 x 0.70 cm; Myanmar Diamonds: 2; total 0.99 ct Material: 18K yellow gold and platinum Photo by kind permission of © www.africagems.com |
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Ruby
Weight: 7.13 ct Origin: Songea / Ruvuma / Tanzania Photo by kind permission of © www.multicolour.com |
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Ruby
Weight: 2.35 ct Origin: Songea / Ruvuma / Tanzania Photo by kind permission of © www.multicolour.com |
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Ruby Mineral
Weight: 38,500 ct Size: 13 x 15 cm Origin: Mysore / Karnataka / India Photo by kind permission of © Almas Gems, Bangalore / Karnataka / India |
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Ruby with Sapphire
Size: 2.1 x 1.7 x 1.5 cm Origin: Winza / Mpwapwa Distr. / Dodoma Region / Tanzania Photo by kind permission of © www.irocks.com |
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Ruby with Sapphire
Size: 0.92 x 0.83 x 0.37 cm Weight: 3.15 ct Origin: Vietnam Photo by kind permission of © www.starruby.in |
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Ruby in Fuchsite
Size: 2.9 x 1.9 cm Origin: Mysore / India Photo by kind permission of © www.kristallplanet.de |
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Ruby in Marble
Size: 1.78 x 1.34 x 1.27 cm Origin: Mong Hsu / Shan State / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Ruby in Marble
Size: 3.52 x 1.63 x 0.2 ct Origin: Russia Photo by kind permission of © www.djraregems.com |
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Ruby in Zoisite
Size: 4.5 x 4 cm Origin: Mundarara / Longido / Tanzania Photo by kind permission of © www.kristallplanet.de |
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Ruby in Zoisite
Size: 4.8 x 2.0 x 0.45 cm Weight: 63.96 ct Origin: Tanzania Photo by kind permission of www.online-edelstein.de |
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Ruby with Zoisite
Size: 1.6 x 1.2 x 0.5 cm Weight: 8 ct Photo by kind permission of www.jalokivitukku.com |
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Ruby-Zoisite Bowl
Size: 2.8 x 2.8 x 1.5 cm Origin: Mysore / India Photo by kind permission of © http://lucianabarbosa.com |
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Ruby-Zoisite Carving
Size: 6.3 cm high, 9.7 cm long Weight: 512 g The carving is handmade from one piece of ruby-zoisite rock! Artist: Gerd Dreher Photo by kind permission of © www.dreher-carvings.com |
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Ruby Star Mineral
Weight: 13,625 ct Size: 29 x 16 cm Origin: Mysore / Karnataka / India Photo by kind permission of Almas Gems, Bangalore / Karnataka / India |
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Ruby Star
Size: 0.90 x 0.76 x 0.54 cm Weight: 4.33 ct Origin: Mogok / Myanmar Photo by kind permission of www.starruby.in |
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Ruby Star
Size: 0.44 x 0.87 x 0.40 cm Weight: 1.88 ct Origin: Luc Yen / Vietnam Photo by kind permission of © www.wildfishgems.com |
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Ruby "Star of Katandru"
Weight: 16.21 ct Origin: Sri Lanka Photo: Chip Clark, by kind permission of © www.mnh.si.edu/, Smithsonian National Museum of Natural History |
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Ruby Star
Size: 0.55 x 0.49 x 0.44 cm Weight: 1.35 ct Origin: Mogok / Myanmar Photo by kind permission of www.starruby.in |
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Ruby Star
Size: 0.49 x 0.41 x 0.27 cm Weight: 0.53 ct Origin: Mogok / Myanmar Photo by kind permission of www.starruby.in |
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Ruby Star
Size: 0.92 x 0.79 x 0.53 cm Weight: 5.54 ct Origin: Africa Photo by kind permission of www.starruby.in |
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Ruby Star
Size: 0.86 x 0.45 x 0.42 cm Weight: 1.72 ct Origin: Mogok / Myanmar Photo by kind permission of www.starruby.in |
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Ruby Star
Size: 1.30 x 1.29 x 0.91 cm Weight: 15.58 ct Origin: Africa Photo by kind permission of www.starruby.in |
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Ruby Star
Size: 1.03 x 0.93 x 0.61 cm Weight: 6.46 ct Origin: India Photo by kind permission of www.starruby.in |
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Ruby Star
Size: 2.48 x 2.43 x 1.09 cm Weight: 71.21 ct Origin: Africa Photo by kind permission of www.starruby.in |
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Ruby Star
Size: 2.0 x 1.87 x 1.16 cm Weight: 50.32 ct Origin: India Photo by kind permission of www.starruby.in |
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Ruby Star
Size: 3.93 x 3.6 x 2.29 cm Weight: 379.76 ct Origin: Africa Photo by kind permission of www.starruby.in |
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Ruby Double Star
Size: 0.67 x 0.63 x 0.39 cm Weight: 1.89 ct Origin: Mogok / Myanmar Photo by kind permission of © www.starruby.in |
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Ruby Double Star
Size: 1.26 x 1.06 x 0.40 cm Weight: 6.02 ct Origin: Mogok / Myanmar Photo by kind permission of www.starruby.in |
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Ruby Double Star
Size: 0.99 x 0.81 x 0.54 cm Weight: 4.50 ct Origin: Mogok / Myanmar Photo by kind permission of © www.starruby.in |
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Ruby Double Star
Size: 1.43 x 1.1 x 0.59 cm Weight: 11.73 ct Origin: Mogok / Myanmar Photo by kind permission of © www.starruby.in |
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Ruby Trapiche
Size: 0.7 x 0.7 x 0.3 cm Weight: 2 ct Origin: Mogok / Myanmar Photo by kind permission of © www.lucianabarbosa.com |
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Ruby Trapiche
Size: 3.79 x 3.79 x 0.84 cm Weight: 150.04 ct Origin: Africa Photo by kind permission of www.starruby.in |
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Ruby Mineral / LW UV
Size: 2 x 0.7 x 0.6 cm Origin: Luc Yen / Vietnam Photo by kind permission of www.kqminerals.com |
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