Kyanite
Cianita, Cianite, Disthen, Dysten, Kianit, Küaniit, Kyanit, Kyaniet, Kyaniitti, Кианит, 藍晶石
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: Al2O[SiO4]
Mineral class: silicates Crystal system: triclinic Mohs scale: lengthwise: 4.5, crosswise: 6 - 7 Density (g/cm3): 3.65 - 3.69 Refractive index: 1.710 - 1.734 Cleavage: perfect - good Colors: colorless, green, blue-green, blue, orange Luster: vitreous - pearly Fluorescence: blue-green Kyanite: strong red Pleochroism: light blue - dark blue Largest Kyanite: 50 cm? Deposits: Myanmar, Brazil, Kenya, USA, Austria, Switzerland 1st Description: 1892 Name: from the Greek word "kyanos" (blue) |
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Kyanite
Size: 1.6 x 1.1 x 0.6 cm Weight: 13.20 ct Origin: Vitöria da Conquista / Bahia / Brazil Photo by kind permission of © www.lucianabarbosa.com |
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Kyanite
Size: 2.7 x 0.9 x 0.6 cm Weight: 20.35 ct Origin: Vitöria da Conquista / Bahia / Brazil Photo by kind permission of © www.lucianabarbosa.com |
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Kyanite
Size: 1.5 x 0.5 x 0.4 cm Weight: 1.86 ct Origin: Vitöria da Conquista / Bahia / Brazil Photo by kind permission of © www.lucianabarbosa.com |
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Kyanite Mineral
Origin: North Canton / Connecticut / USA Photo by kind permission of © www.cs.cmu.edu/~adg/adg-piimages.html |
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Kyanite
Size: 1.4 x 0.9 cm Weight: 8.95 ct Origin: Brazil Photo by kind permission of © www.kox-gems.com |
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Kyanite Mineral
Size: 2.0 x 1.9 x 1.0 cm Origin: Arusha / Tanzania Photo by kind permission of © www.lucianabarbosa.com |
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Kyanite Mineral
Size: 8.4 x 7.2 x 3.4 cm Origin: Narodnaja / Ural / Russia Photo by kind permission of © www.fabreminerals.com |
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Kyanite
Size: 1.26 x 1.1 x 0.52 cm Weight: 8.76 ct Origin: Brazil Photo by kind permission of © www.palagems.com |
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Kyanite
Weight: 1.81 ct Size: 0.76 x 0.63 x 0.41 cm Origin: Nepal Photo by kind permission of © www.gemfrance.com |
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Kyanite Ring
Kyanite: 4.89 ct Diamonds: 41; total 0.55 ct Ring: 5.70 g; 18K White gold Photo by kind permission of © Chrisgo-CG-Design |
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Kyanite
Weight: 1.64 ct Size: 0.83 x 0.56 x 0.34 cm Origin: Brazil Photo by kind permission of © www.gemfrance.com |
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Kyanite Mineral
Origin: Barra de Salinas / Coronel Murta / Minas Gerais / Brazil Photo by kind permission of © www.exceptionalminerals.com |
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Kyanite Mineral
Origin: Barra de Salinas / Coronel Murta / Minas Gerais / Brazil Photo by kind permission of © www.irocks.com |
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Kyanite Mineral
Size: 5.3 x 1.2 x 0.8 cm Origin: Sangulungulu Hill / Loliondo / Ngorongoro Distr. / Tanzania Photo by kind permission of © www.kqminerals.com |
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Kyanite
Size: 0.67 x 0.35 cm Weight: 0.62 ct Origin: Sangulungulu Hill / Loliondo / Ngorongoro Distr. / Tanzania Photo by kind permission of © www.thegemtrader.com |
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Kyanite
Size: 1.3 x 0.7 x 0.6 cm Weight: 5.15 ct Origin: Nani / Loliondo / Ngorongoro Distr. / Tanzania Photo by kind permission of © www.lucianabarbosa.com |
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Kyanite Cat's Eye
Size: 0.9 x 0.9 x 0.5 cm Weight: 3.78 ct Origin: Coronel Murta / Minas Gerais / Brazil Photo by kind permission of © www.lucianabarbosa.com |
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