Lapis Lazuli

Lapislatsuli, Lapislazuli, Lapislázuli, Lápis-lazúli, Lapislazzuli, Lazuritas, Lazuryt,
청금석, ラピスラズリ, 青金石, לפיס, לזולי, سنگ لاج, ور, ляпис лазурь


Commonly known      rarer (so called collectors stones)      very rare (rarities)      relatively rare organic material


Formula of Lasurite: Na8[Al6Si6O24]S2
Mineral class: silicates
Crystal system: cubic
Mohs scale: 5 - 6
Density (g/cm3): 2.4 - 2.9
Refractive index: 1.50
Colors: blue in variations
Fluorescence: strong white
Pleochroism: -
Largest Lapis Lazuli (Lazurite) crystal: 5 cm?
Deposits: Afghanistan, Russia, Chile
Name: a combination of the Latin words "lapis" (stone), and "lazulum" (ref. to the old Persian deposit at Lāzhvard)

Lapis Lazuli Mineral

Size: 6.1 x 4.7 x 4.5 cm

Origin: Kokhsa Valley / Badakhshan Prov. / Afghanistan

Photo by kind permission of © www.irocks.com
Lapis Lazuli
Lapis Lazuli

Origin: 4.93 ct

Origin: Afghanistan

Photo by kind permission of © www.irocks.com
Lapis Lazuli Ring

Photo by kind permission of © skywalker.cochise.edu

Lapis Lazuli

Weight: 28.08 ct

Origin: Afghanistan

Photo by kind permission of © www.multicolour.com

Lapis Lazuli Pendant

Lapis Lazuli: 89.6 ct; 4.03 x 4.05 cm
Diamonds: 2; total 0.02 ct
Silver: 925/1000

Photo by kind permission of © www.davidwein.com
Lapis Lazuli

Lapis Lazuli

Weight: 4.02 ct

Origin: Afghanistan

Photo by kind permission of © www.irocks.com

Lapis Lazuli

Weight: 43.98 ct

Origin: Badakhshan / Afghanistan

Photo by kind permission of © www.americanthai.com

Lapis Lazuli

Weight: 7.32 ct

Origin: Pyan Gyi Mine / Mogok / Myanmar

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


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