Narsarsukite

Formula: Na₂(Ti,Fe³⁺)Si₄(O,F)₁₁
Mineral class: silicates
Crystal system: tetragonal
Mohs scale: 5.5 - 7
Density (g/cm³): 2.64 - 2.83
Refractive index: 1.609 - 1.63
Cleavage: good
Colors: colorless, yellow, pink, green, blueish, brown
Transparency: transparent - translucent
Luster: vitreous
Fluorescence: -
Pleochroism: weak: colorless - yellow
Largest crystal: 3 cm?
Largest faceted stone: 0.31 ct?
Deposits: Canada, Germany, Greenland, Kazakhstan, Mongolia, Namibia, New Zealand, Norway, Russia, Sudan, USA
Discovery: 1900
1st Description: 1909?
Name: from the deposit at Narsarsuaq / Greenland

Narsarsukite Mineral

Size of the crystal: 1.3 cm

Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada

Photo by kind permission of © www.irocks.com

Narsarsukite Mineral

Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada

Photo by kind permission of © www.cs.cmu.edu/~adg/adg-piimages.html

Narsarsukite Sphere

Size: 3.6 cm

Origin: Lovozero Massif / Kola Peninsula / Murmanskaja Oblast / Russia

Photo by kind permission of © www.lucianabarbosa.com

Narsarsukite Mineral

Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada

Photo by kind permission of © www.cs.cmu.edu/~adg/adg-piimages.html

Narsarsukite Mineral

Size of the crystal: 0.5 cm

Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada

Photo by kind permission of © www.irocks.com

Narsarsukite Mineral

Size: 6.7 x 6.0 x 5.0 cm

Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada

Photo by kind permission of © www.irocks.com

Narsarsukite Mineral

Size of the crystal: ~ 0.2 cm

Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada

Photo by kind permission of © Saul Krotki