Jade / Jadeite, Maw Sit Sit
Commonly known rarer (so called collectors stones) very rare (rarities) relatively rare organic material|
Formula: Jadeite:
Na(Al,Fe3+)[Si2O6]
Mineral class: silicates
Giada, Giok, Jáde, Jadeiet, Jadeit, Jed, Yesim, Żad, يشب, ヒスイ, Нефрит, หยก, 玉 Crystal system: monoclinic Mohs scale: 6.5 - 7 Density (g/cm3): 3.25 - 3.35 Refractive index: Jade: 1.654 - 1.667; Maw Sit Sit: 1.52 - 1.74 Cleavage: good Colors: usually greenish; also colorless, white, yellow, orange, reddish, brown, violet Luster: subvitreous Fluorescence: green Jade: slightly grey-blue Pleochroism: - Largest Jadeite crystal: 1 cm? Deposits: Myanmar, China, Russia, Kazakhstan and others Discovery: ? 1st Description: 1892 Name: origins from the Spanish expression "piedra de ijada" (stone of the flank), via the French word "l'éjade" |
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Jade mining around Hpakan / Myanmar |
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Jade Mineral
Origin: Jianchang / Donghai / Lianyungang / Jiansu / China Photo by kind permission of © António Manuel Ináçio Martins |
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Jade Mineral
Origin: Hpakan / Myitkyina-Mogaung Distr. / Kachin Staat / Myanmar Photo by kind permission of © www.ruby-sapphire.com |
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Jade
Size: 1.15 x 0.80 cm Weight: 2.36 ct Origin: Myanmar Photo by kind permission of © www.ke4gems.com |
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Jade Mineral
Photo by kind permission of © Smithsonian National Museum of Natural History, Photo: Ken Larsen |
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Jade
Size: 0.75 x 0.61 x 0.26 cm Weight: 1.03 ct Origin: Myanmar Photo by kind permission of © www.wildfishgems.com |
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Jade Mineral
Origin: Hpakan / Myitkyina-Mogaung Distr. / Kachin Staat / Myanmar Photo by kind permission of © www.ruby-sapphire.com |
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Jade Vase
Photo by kind permission of © Smithsonian National Museum of Natural History, Photo: Ken Larsen |
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Jade
Size: 1.48 x 1.0 cm Weight: 4.86 ct Origin: Turkey Photo by kind permission of © www.irocks.com |
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Jade
Size: 1.71 x 1.17 x 0.38 cm Weight: 6.27 ct Origin: Hpakan / Myitkyina-Mogaung Distr. / Kachin Staat / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Jade Ring
Stone: Peridot Gold: 14K yellow gold Photo by kind permission of © www.schmuckauktionen.com |
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Formula: Maw Sit Sit:
NaCr[Si2O6]
Mineral class: silicates
Previous names: Jade-Albite or Chloromelanite Crystal system: monoclinic Mohs scale: 6.5 - 7 Density (g/cm3): 2.5 - 3.5 Cleavage: good Colors: green with usually black parts of cosmochlor Luster: subvitreous Fluorescence: ? Pleochroism: - Largest Maw Sit Sit: - Deposits: Hpakan, Namshawa and Tawmaw / Myanmar Discovery: 1963 1st Description: 1964 |
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Tawmaw jade mining area ~ 10 km west of Lonkin / Myanmar |
Größere Kartenansicht |
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Maw Sit Sit
Weight: 9.12 ct Origin: Tawmaw / Myitkyina / / Mogaung / Kachin State / Myanmar Photo by kind permission of © www.crystal-treasure.com |
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Maw Sit Sit Pendant
Maw Sit Sit: 93.64 ct, 5.15 x 2.32 cm Silver: 925/1000 Photo by kind permission of © www.davidwein.com |
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Maw Sit Sit Necklace
Maw Sit Sit: 48 Pearls; total 219.8 ct, 0.85 x 0.85 cm each Length: 46 cm Gold: 14K Yellow gold Photo by kind permission of © www.davidwein.com |
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