Chkalovite

Formula: Na₂BeSi₂O₆
Mineral class: silicates
Crystal system: orthorhombic
Mohs scale: 6
Density (g/cm³): 2.66
Refractive index: 1.544 - 1.549
Cleavage: fair - indistinct
Colors: colorless, white
Transparency: transparent - translucent
Luster: vitreous
Fluorescence: white, SW UV: green, bluish
Pleochroism: -
Largest crystal: 0.5 cm?
Deposits: Russia. Greenland, Canada
Discovery: 1938
1st Description: 1939 (Gerasimovskii)
Name: in honor of the Russian pilot Valerii Pavlovich Chkalov (1904 - 1938)

Chkalovite Mineral

Photo: Chkalovite rimmed by red Tugtupite (UV light)

Origin: Greenland

Photo by kind permission of © www.minershop.com

Chkalovite

Weight: 0.23 ct

Origin: Russia

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Chkalovite Mineral

Size: 1.5 x 2.5 cm

Origin: Shkatulka Pegmatite / Umbozero / Lovozero Massif / Kola Peninsula / Russia

Photo by kind permission of © www.dvminerals.com

Chkalovite Mineral

Photo: Chkalovite rimmed by red Tugtupite

Origin: Greenland

Photo by kind permission of © www.minershop.com

Chkalovite Mineral

Photo: Chkalovite rimmed by red Tugtupite (SW UV light)

Origin: Kvanefjeld / Greenland

Photo by kind permission of © www.minershop.com