Fluornatromicrolite

Fluornatromikrolith, フローナトロマイクロ石, 钠氟細晶石


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


Formula: (Na,Ca,Bi)2Ta2O6F
Mineral class: oxides
Crystal system: isometric
Mohs scale: ?
Density (g/cm3): 6.65
Refractive index: 2.03
Cleavage: ?
Colors: brown, green, ... ?
Transparency: transparent
Luster: adamantine
Fluorescence: ?
Pleochroism: ?
Largest crystal: 1 cm ?
Deposits: Brazil, Mozambique, Pakistan, Russia, USA
Discovery: 1998 ?
1st Description: 2008 (Witzke) ?
Name: from its relation to microlite

Fluornatromicrolite

Image width: 0.9 cm

Origin: Quixaba Mine / Frei Martinho / Paraíba / Brazil

Photo by kind permission of © www.katos-collections.jp
Fluornatromicrolite

Fluornatromicrolite

Size: 1.2 x 1.0 x 0.9 cm

Origin: Alto Ligonha / Zambezia Prov. / Mozambique

Photo by kind permission of © www.lucianabarbosa.com
Fluornatromicrolite

Fluornatromicrolite

Size: 0.4 x 0.3 x 0.3 cm
Weight: 0.43 ct
Origin: Alto Ligonha / Zambezia Prov. / Mozambique

Photo by kind permission of © www.lucianabarbosa.com
Fluornatromicrolite


Microlite: see Microlite.

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