Afghanite

Afghaniet, Afghanit, Afghanita, Afganīts, Афганит, 亞富罕石, アフガン石


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


Formula: (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3·H2O
Mineral class: silicates
Crystal system: hexagonal
Mohs scale: 5.5 - 6
Density (g/cm3): 2.55 - 2.65
Refractive index: 1.523 - 1.529
Cleavage: perfect
Colors: blue
Transparency: transparent
Luster: vitreous
Fluorescence: -
Pleochroism: -
Largest Afghanite: ?
Deposits: Afghanistan, Germany, Italy, Canada, Russia, Tajikistan, USA
1st Description: 1968
Name: after the country of origin: Afghanistan

Afghanite Mineral

Size: 0.52 x 0.38 x 0.28 cm

Origin: Afghanistan

Photo by kind permission of © Darlene Cobler
Afghanite

Weight: 0.04 ct
Size: 0.35 cm
Origin: Afghanistan

Photo by kind permission of © www.kox-gems.com

Afghanite

Weight: 0.06 ct
Size: 0.3 x 0.28 cm
Origin: Afghanistan

Photo by kind permission of © www.gemfrance.com

Afghanite Mineral

Size: 3.2 x 1.9 x 1.5 cm; Crystal: 1.4 cm

Origin: Rabot / Kokcha Valley / Badakshan Prov. / Afghanistan

Photo by kind permission of © www.irocks.com
Afghanite Mineral
Afghanite

Origin: Afghanistan

Photo by kind permission of © www.gemfrance.com

Afghanite

Weight: 3.24 ct

Origin: Afghanistan

Photo by kind permission of © www.irocks.com

Afghanite Mineral

Origin: Badakshan Prov. / Afghanistan

Photo by kind permission of © www.minedirect.com
Afghanite Mineral


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