Lazurite

Formula: (Na,Ca)₈[(S,SO₄,Cl₂)Al₆Si₆O₂₄]
Mineral class: silicates
Crystal system: isometric
Mohs scale: 5 - 5.5
Density (g/cm³): 2.38 - 2.45
Refractive index: 1.50
Cleavage: imperfect
Colors: blue
Luster: vitreous
Fluorescence: -
Pleochroism: -
Largest Lazurite: 5 cm?
Deposits: Afghanistan, Chile, Italy, Russia, Sweden, Slovakia, USA
Discovery: 1890
1st Description: 1892
Name: ref. to lapis lazuli

Lazurite Mineral

Origin: Russia

Photo by kind permission of © www.mineraltivadar.hu

Lazurite Mineral on Marble

Size: 3.6 x 2.1 x 1.7 cm

Origin: Lapis Mine / Sar-e-Sang / Koksha Valley / Badakhshan / Afghanistan

Photo by kind permission of © www.irocks.com

Lazurite Mineral

Origin: Lapis Mine / Sar-e-Sang / Koksha Valley / Badakhshan / Afghanistan

Photo by kind permission of © www.irocks.com

Lazurite Mineral

Origin: Lapis Mine / Sar-e-Sang / Koksha Valley / Badakhshan / Afghanistan

Photo by kind permission of © www.irocks.com