Norbergite

Norbergiet, Norbergit, Norbergita, Норбергит


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


Formula Mg3[(F,OH)2|SiO4]
Mineral class: silicates
Crystal system: orthorhombic
Mohs scale: 6 - 6.5
Density (g/cm3): 3.14 - 3.18
Refractive index: 1.563 - 1.59
Cleavage: -
Colors: colorless, white, yellowish, orange, pink, green, brown
Transparency: transparent - translucent
Luster: vitreous - resinous
Fluorescence: SW UV: yellow
Pleochroism: X: light yellow, Y: light yellow, Z: colorless
Largest crystal: 2,5 cm?
Deposits: Australia, Finland, Italy, Canada, Myanmar, Pakistan, Romania, Russia, Sweden, USA
Discovery: 1926
1st Description: 1926
Name: from the deposit at Norberg / Västmanlands län / Sweden

Norbergite Mineral

Size: 5.5 x 4.8 x 1.7 cm

Origin: Limecrest Quarry / Sparta / Sussex County / New Jersey / USA

Photo by kind permission of www.civilminerals.com
Norbergite Mineral

Norbergite Mineral with red Spinel

Size: 4.9 x 2.9 x 1.7 cm

Origin: Mogok / Myanmar

Photo by kind permission of www.irocks.com
Norbergite Mineral

Norbergite Mineral

Size: 1.01 x 0.61 x 0.58 cm

Origin: Onh Bin Yee Htwet / Mogok / Myanmar

Photo by kind permission of www.crystal-treasure.com
Norbergite Mineral


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