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)

Ruby Mineral

Origin: Mogok / Myanmar

Photo by kind permission of © www.crystal-treasure.com
Ruby Mineral
Ruby Mineral

Size: 5.5 x 3.2 x 3 cm

Origin: Mogok / Myanmar

Photo by kind permission of © www.irocks.com
Ruby Mineral
Ruby Mineral

Origin: Jagdalak Ruby Mine / Sorobi Distr. / Kunar Prov. / Afghanistan

Photo by kind permission of © www.irocks.com
Ruby Mineral
Ruby Mineral

Size: 0.7 x 0.4 x 0.3 cm

Origin: Mogok / Myanmar

Photo by kind permission of © www.qualitygemsminerals.com
Ruby Mineral
Ruby

Weight: 2.12 ct

Origin: Myanmar

Photo by kind permission of © www.multicolour.com
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
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
Ruby Ring
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
Ruby Mineral
Ruby Mineral

Size: 1.5 x 1.3 x 1.3 cm

Origin: Mogok / Myanmar

Photo by kind permission of © www.irocks.com
Ruby Mineral
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
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
Ruby Jewelry
Ruby Mineral

Size: 1.43 x 1.41 x 1.1 cm

Origin: Mogok / Myanmar

Photo by kind permission of © www.mineralman.com
Ruby Mineral
Ruby

Weight: 1.46 ct

Origin: Andilamena / Madagascar

Photo by kind permission of © www.multicolour.com
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
Ruby Ring

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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
Ruby Mineral
Ruby

Weight: 2.46 ct

Origin: Songea / Ruvuma / Tanzania

Photo by kind permission of © www.multicolour.com
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
Ruby Ring
Ruby

Weight: 2.22 ct

Origin: Madagascar

Photo by kind permission of © www.multicolour.com
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
Ruby Ring
Ruby

Weight: 4.21 ct

Origin: Myanmar

Photo by kind permission of © www.edelsteine.at
Ruby

Weight: 1.03 ct

Origin: Namya / Myanmar

Photo by kind permission of © www.wildfishgems.com
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
Ruby Ring
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

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
Ruby Mineral

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
Ruby Mineral
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
Ruby in Fuchsite

Size: 2.9 x 1.9 cm

Origin: Mysore / India

Photo by kind permission of © www.kristallplanet.de
Ruby Mineral
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
Ruby Mineral
Ruby in Marble

Size: 3.52 x 1.63 x 0.2 ct

Origin: Russia

Photo by kind permission of © www.djraregems.com
Ruby in Zoisite

Size: 4.5 x 4 cm

Origin: Mundarara / Longido / Tanzania

Photo by kind permission of © www.kristallplanet.de
Zoisite Mineral
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
Ruby with Zoisite

Size: 1.6 x 1.2 x 0.5 cm

Weight: 8 ct

Photo by kind permission of www.jalokivitukku.com
Ruby-Zoisite Bowl

Size: 2.8 x 2.8 x 1.5 cm

Origin: Mysore / India

Photo by kind permission of © http://lucianabarbosa.com
Ruby
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
Ruby

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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
Ruby Mineral
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
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
Star Ruby
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
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
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
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
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
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
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
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
Ruby Star

Weight: 6.40 ct

Origin: Sri Lanka

Photo by kind permission of © www.djraregems.com
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
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

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
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
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
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

Ruby Trapiche

Photo by kind permission of © www.mineralman.com
Ruby Trapiche

Origin: Mong Hsu / Myanmar

Photo by kind permission of © www.crystal-treasure.com
Ruby Trapiche
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
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
Ruby Trapiche

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
Ruby UV


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