Spinel
Espinela, Spinell, Spinelle, Spinelli, Шпинель, スピネル, 尖晶石, ספינל
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: MgAl2O4
Mineral Class: Oxides Crystal System: cubic Mohs Scale: 8 Density (g/cm3): 3.57 - 3.72 Refractive index: 1.708 - 1.735 Cleavage: restricted Colors: colorless, all colors except yellow Luster: vitreous Fluorescence: red Spinel: red, blue Spinel: slightly reddish or green, green Spinel: slightly reddish Pleochroism: - Largest rough Spinel (red): >52 kg (Mahenge / Arusha / Tansania) Deposits: worldwide Discovery: ? 1st Description: 1944 Name: possibly from the Latin word "spina" (thorn) |
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Spinel
Size: 1.16 x 0.80 cm Weight: 5.37 ct Origin: Myanmar Photo by kind permission of © www.irocks.com |
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Spinel
Size: 1.27 x 0.89 x 0.50 cm Weight: 3.45 ct Origin: Myanmar Photo by kind permission of © www.palagems.com |
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Spinel
Size: 0.75 x 0.66 x 0.43 cm Weight: 1.43 ct Origin: Myanmar Photo by kind permission of © www.ajsgem.com |
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Spinel
Size: 0.74 x 0.57 x 0.40 cm Weight: 1.20 ct Origin: Myanmar Photo by kind permission of © www.ajsgem.com |
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Spinel
Size: 0.95 x 0.95 x 0.62 cm Weight: 4.18 ct Origin: Africa Photo by kind permission of © www.ajsgem.com |
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Spinel
Weight: 1.54 ct Origin: Balangoda / Sri Lanka Photo by kind permission of © www.wildfishgems.com |
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Spinel Mineral
Size: 0.7 x 0.7 x 0.5 cm Origin: Pyan Pyit / Mogok / Mandalay / Myanmar Photo by kind permission of © www.lucianabarbosa.com |
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Spinel
Size: 1.00 x 0.66 cm Weight: 2.52 ct Origin: Sri Lanka Photo by kind permission of © www.rarestone.com |
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Spinel
Size: 1.46 x 1.23 x 0.69 cm Weight: 9.02 ct Origin: Myanmar Photo by kind permission of © www.ajsgem.com |
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Spinel Mineral
Size: 6.6 x 5.8 x 4.7 cm Weight: 0.53 g Origin: Man Sin Area / Mogok / Mandalay / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Spinel
Size: 1.84 x 1.55 x 1.29 cm Weight: 28.91 ct Origin: Tajikistan Photo by kind permission of © www.multicolour.com |
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Spinel Mineral
Origin: Man Sin Area / Mogok / Mandalay / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Spinel Ring
Spinel: 3.63 ct, 1.13 x 0.75 cm, Tanzania Diamonds: 64, total 1.31 ct Gold: 18K White gold Photo by kind permission of © www.africagems.com |
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Spinel Mineral "Star of David"
Size: 0.49 x 0.48 x 0.20 cm Weight: 0.44 ct Origin: Pyan Gyi Mine / Mogok Area / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Spinel
Size: 1.6 x 1.56 x 1.05 cm Weight: 18.55 ct Origin: Mahenge / Tanzania Photo by kind permission of © www.ajsgem.com |
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Spinel Mineral
Size: 3.5 x 2.9 x 2.2 cm Origin: Pyan Pyit / Mogok / Mandalay / Myanmar Photo by kind permission of © www.fabreminerals.com |
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Spinel
Size: 0.56 x 0.41 cm Weight: 0.69 ct Origin: Nanya / Myanmar Photo by kind permission of © www.rarestone.com |
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Spinel Ring
Spinel: 1.59 ct; 0.79 x 0.55 cm; Tanzania Diamonds: 96; total 0.62 ct Gold: 18K White gold and yellow gold Photo by kind permission of © www.africagems.com |
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Spinel
Size: 0.9 x 0.76 x 0.59 cm Weight: 2.9 ct Origin: Pyan Pyit / Mogok / Mandalay / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Spinel Mineral
Size: 0.76 x 0.63 x 0.65 cm Origin: Myanmar Photo by kind permission of © www.irocks.com |
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Spinel Mineral
Origin: Man Sin Area / Mogok / Mandalay / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Spinel
Size: 1.20 x 0.89 x 0.62 cm Weight: 5.13 ct Origin: Vietnam Photo by kind permission of © www.ajsgem.com |
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Spinel Mineral
Size: 1.44 x 2.04 x 0.38 cm Origin: Mogok / Mandalay / Myanmar Photo by kind permission of © www.civilminerals.com |
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Spinel
Weight: 1.77 ct Origin: Mogok / Mandalay / Myanmar Photo by kind permission of © http://www.gemfrance.com |
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Spinel Mineral
Size: 2.0 x 1.6 x 1.6 cm Origin: Pyan Pyit / Mogok / Mandalay / Myanmar Photo by kind permission of © www.mineralzone.com |
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Spinel
Weight: 5.78 ct Origin: Tanzania Photo by kind permission of © Smithsonian National Museum of Natural History, Photo: Ken Larsen |
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Spinel
Size: 1.45 x 1.03 x 0.92 cm Weight: 9.23 ct Origin: Tanzania Photo by kind permission of © www.multicolour.com |
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Spinel
Size: 1.27 x 1.23 cm Weight: 10.24 ct Origin: Mogok / Myanmar Photo by kind permission of © www.gemfrance.com |
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Spinel Mineral
Origin: Kuch-i-Lal / Pamir Mts. / Tajikistan Photo by kind permission of © www.irocks.com |
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Spinel Ring
Spinel: 1.49 ct, 1.1 x 0.52 cm, Tanzania Diamonds: 2, total 0.06 ct Gold: 14K Yellow gold Photo by kind permission of © www.davidwein.com |
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Spinel Mineral
Origin: Man Sin Area / Mogok / Mandalay / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Spinel Mineral
Origin: Mogok / Mandalay / Myanmar Photo by kind permission of © www.cs.cmu.edu/~adg/adg-piimages.html |
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Spinel
Size: 0.83 x 0.58 x 0.43 cm Weight: 1.56 ct Origin: Ratnapura / Sabaragamuwa Prov. / Sri Lanka Photo by kind permission of © www.crystal-Treasure.com |
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Spinel Ring
Spinel: 1.57 ct, 1.20 x 0.35 cm, Tanzania Diamonds: 66, total 0.57 ct Gold: 18K White gold Photo by kind permission of © www.africagems.com |
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Spinel
Size: 1.72 x 0.10 cm Weight: 8.20 ct Origin: Luc Yen / Vietnam Photo by kind permission of © www.gemfrance.com |
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Spinel Mineral
Size: 1.6 x 1.6 cm Origin: Balangoda / Ratnapura / Sabaragamuwa Prov. / Sri Lanka Photo by kind permission of © www.lucianabarbosa.com |
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Spinel
Size: 0.68 cm Weight: 1.4 ct Origin: Sri Lanka Photo by kind permission of © www.steveperrygems.com |
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Spinel
Size: 0.74 cm Weight: 2.03 ct Origin: Sri Lanka Photo by kind permission of © www.djraregems.com |
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Spinel Mineral
Size: 4.5 x 4.0 x 3.7 cm Origin: Lajuar Madan / Sar-e-Sang District / Badakhshan / Afghanistan Photo by kind permission of © www.irocks.com |
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Spinel Ring
Spinel: 1.28 ct, 0.60 x 0.78 cm, Cambodia Diamonds: 316, total 1.30 ct Gold: 18K White gold Photo by kind permission of © www.africagems.com |
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Spinel
Size: 0.58 cm Weight: 1.01 ct Origin: Myanmar Photo by kind permission of © www.minclassics.com |
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Spinel Ring
Spinel: 2.16 ct, 0.82 x 0.67 cm, Tunduru / Ruvuma / Tanzania Diamonds: 6, total 0.18 ct Gold: 14K Yellow gold Photo by kind permission of © www.davidwein.com |
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Spinel
Size: 1.65 x 1.45 x 1.03 cm Weight: 22.04 ct Origin: Tanzania Photo by kind permission of © www.multicolour.com |
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Spinel Mineral
Origin: Kaiiado Distr. / Rift Valley Prov. / Kenya Photo by kind permission of © www.irocks.com |
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Spinel
Size: 0.80 x 0.98 x 0.52 cm Weight: 2.94 ct Origin: Bibile / Sri Lanka Photo by kind permission of © www.wildfishgems.com |
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Spinel Ring
Spinel: 2.34 ct; 0.80 x 0.80 cm; Sri Lanka Diamonds: 8; total 1.24 ct Gold: 18K White gold Photo by kind permission of © www.africagems.com |
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Spinel Mineral
Size: 5.30 x 5.06 x 2.78 cm Origin: Kahawatta / Ratnapura Distr. / Sabaragamuwa Prov. / Sri Lanka Photo by kind permission of © www.crystal-treasure.com |
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Spinel
Weight: 3.75 ct Origin: Mogok / Mandalay / Myanmar Photo by kind permission of © www.gemfrance.com |
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Spinel Mineral
Size: 4.0 x 3.9 x 2.5 cm Origin: Aliabad / Hunza Valley / Pakistan Photo by kind permission of © www.aarockshop.com |
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Spinel
Size: 1.3 x 0.9 x 0.7 cm Weight: 6 ct Origin: Myanmar Photo by kind permission of © www.jalokivitukku.com |
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Spinel
Size: 0.94 x 0.73 x 0.47 cm Weight: 1.97 ct Origin: Vietnam Photo by kind permission of © www.palagems.com |
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Spinel
Size: 0.72 x 0.53 x 0.34 cm Weight: 1.20 ct Origin: Sri Lanka Photo by kind permission of © www.bestminerals.com |
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Spinel
Size: 0.97 x 0.80 x 0.57 cm Weight: 3.40 ct Origin: Myanmar Photo by kind permission of © www.palagems.com |
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Spinel Mineral "Pleonaste"
Size: 5.0 x 4.3 x 3.8 cm Origin: Aldan Shield / Saha Rep. / Yakutia / Russia Photo by kind permission of © www.pegmatite.ru |
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Spinel Mineral bicolor
Size: 1.23 x 1.11 x 1.07 cm Origin: Kahawatta / Ratnapura / Sabaragamuwa Prov. / Sri Lanka Photo by kind permission of © www.crystal-treasure.com |
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Spinel color change
Weight: 4.94 ct Origin: Sri Lanka Photo by kind permission of © www.djraregems.com |
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Spinel color change
Weight: 14.06 ct Origin: Sri Lanka Photo by kind permission of © www.djraregems.com |
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Spinel color change
Weight: 4.16 ct Origin: Sri Lanka Photo by kind permission of © www.djraregems.com |
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Spinel color change
Weight: 1.55 ct Origin: Tanzania Photo by kind permission of © www.bkkgemstones.com |
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Spinel Trapiche
Size: 1.68 x 1.60 x 0.19 cm Weight: 6.38 ct Origin: Li Chaung Gyi Mine / Ohngaing / nr. Mogok / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Spinel Trapiche with Sapphire
Size: 2.34 x 2.09 x 0.42 cm Weight: 18.3 ct Origin: Li Chaung Gyi Mine / Ohngaing / nr. Mogok / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Spinel Cat's Eye
Size: 0.88 x 0.64 x 0.49 cm Weight: 1.81 ct Origin: Myanmar Photo by kind permission of www.palagems.com |
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Spinel Star
Size: 0.60 x 0.56 x 0.46 cm Weight: 1.47 ct Origin: Sri Lanka Photo by kind permission of © www.djraregems.com |
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Spinel Star
Size: 0.78 x 0.62 x 0.41 cm Weight: 2.05 ct Origin: Myanmar Photo by kind permission of © www.palagems.com |
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Spinel Star
Size: 1.04 x 0.83 x 0.66 cm Weight: 5.50 ct Origin: Sri Lanka Photo by kind permission of © www.starruby.in |
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Spinel Star
Size: 0.79 x 0.58 x 0.43 cm Weight: 1.75 ct Origin: Sri Lanka Photo by kind permission of © www.starruby.in |
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Spinel Star
Size: 0.78 x 0.66 x 0.38 cm Weight: 1.87 ct Origin: Sri Lanka Photo by kind permission of © www.starruby.in |
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Spinel Star
Size: 0.77 x 0.65 x 0.45 cm Weight: 2.17 ct Origin: Sri Lanka Photo by kind permission of www.starruby.in |
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Spinel Star
Size: 0.77 x 0.63 x 0.55 cm Weight: 2.49 ct Origin: Sri Lanka Photo by kind permission of © www.starruby.in |
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Spinel Star
Weight: 2.31 ct Origin: Mogok / Mandalay / Myanmar Photo by kind permission of © www.wildfishgems.com |
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Gahnospinel
(Mg,Zn)Al2O4
Weight: 0.8 ct Size: 0.78 x 0.49 x 0.29 cm Origin: Sri Lanka Photo by kind permission of © www.jalokivitukku.com |
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Gahnospinel
(Mg,Zn)Al2O4
Weight: 0.22 ct Size: 0.32 x 0.3 cm Origin: Sri Lanka Photo by kind permission of © www.kox-gems.com |
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