Tugtupite

Formula: Na₄AlBeSi₄O₁₂Cl
Mineral class: silicates
Crystal system: tetragonal
Mohs scale: 4
Density (g/cm³): 2.33
Refractive index: 1.496 - 1.502
Cleavage: distinct - fair
Colors: white, pink, red, blue, alledgedly also greenish
Transparency: transparent - translucent
Luster: vitreous
Fluorescence: LW UV: orange, SW UV: red
Pleochroism: weak violet - red-orange
Largest crystal: 0.3 cm?
Deposits: Greenland, Canada, Russia
Discovery: 1957
1st Description: 1962
Name: from the type locality Tugtup Agtakôrfia / Greenland

Tugtupite

Size: 0.38 x 0.38 cm
Weight: 0.10 ct
Origin: Greenland

Photo by kind permission of © Darlene Cobler

Tugtupite Mineral

Size: 2.9 x 1.6 x 0.65 cm

Origin: Kvanefjeld / Ilímaussaq Complex / Narsaq / Kujalleq Municipality / Greenland

Photo by kind permission of © www.mineralman.com

Tugtupite

Weight: 2.21 ct

Origin: Kvanefjeld / Ilímaussaq Complex / Narsaq / Kujalleq Municipality / Greenland

Photo by kind permission of © www.classicgems.net

Tugtupite Mineral

Size: 5.71 x 3.81 x 3.17 cm

Origin: Kvanefjeld / Ilímaussaq Complex / Narsaq / Kujalleq Municipality / Greenland

Photo by kind permission of © www.freilichminerals.com

Tugtupite

Size: 1.12 x 0.68 cm
Weight: 1.68 ct
Origin: Greenland

Photo by kind permission of © www.rarestone.com

Tugtupite Mineral

Largest crystal: 0.7 cm

Origin: Taseq / Ilímaussaq Complex / Narsaq / Kujalleq Municipality / Greenland

Photo by kind permission of © www.minershop.com

Tugtupite

Weight: 0.12 ct

Origin: Greenland

Photo by kind permission of www.irocks.com

Tugtupite Mineral

Size: 2.0 x 1.5 x 1.0 cm

Origin: Kuannersuit Plateau / Ilímaussaq Complex / Narsaq / Kujalleq Municipality / Greenland

Photo by kind permission of © António Manuel Ináçio Martins

Tugtupite

Size: 0.41 x 0,40 cm
Weight: 0.25 ct
Origin: Greenland

Photo by kind permission of © www.irocks.com

Tugtupite SW UV

Size: 0.47 x 0.33 x 0.36 cm
Weight: 0.37 ct
Origin: Greenland

Photo by kind permission of © www.freakingcat.com

Tugtupite LW UV

Size: 0.88 x 0.86 x 0.51 cm
Weight: 1.57 ct
Origin: Greenland

Photo by kind permission of © www.freakingcat.com

Tugtupite

Size: 1.39 x 1.00 cm
Weight: 4.82 ct
Origin: Narsaq / Kujalleq Kommune / Greenland

Photo by kind permission of © www.rarestone.com