Microlite

Formula: (Ca,Na)₂Ta₂O₆(O,OH,F)
Mineral class: Oxides
Crystal system: cubic
Mohs scale: 5 - 5.5
Density (g/cm³): 5.90 - 6.43
Refractive index: 2.0 - 2.2
Cleavage: poor
Colors: colorless, white, yellow, brownish, reddish, green, black
Transparency: transparent
Luster: vitreous - adamantine
Fluorescence: -
Pleochroism: -
Largest crystal: 8 cm?
Deposits: worldwide
Discovery: 1835
1st Description: 1835?
Name: a combination of the Greek words "micro" (small), and "lithos" (stone)

Microlite

Size: 0.60 x 0.60 x 0.42 cm
Weight: 0.95 ct
Origin: Doce Valley / Minas Gerais / Brazil

Photo by kind permission of © www.freakingcat.com

Microlite

Weight: 0.67 ct

Origin: Mozambique

Photo by kind permission of © www.thegemtrader.com

Microlite Mineral

Size of the crystal: 0.15 cm

Origin: Doce Valley / Minas Gerais / Brazil

Photo by kind permission of © http://minernet.it

Microlite

Size: 0.5 x 0.3 x 0.2 cm
Weight: 0.46 ct
Origin: Alto Ligonha / Zambezia Prov. / Mozambique

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Microlite

Weight: 2.72 ct

Origin: Alto Ligonha / Zambezia Prov. / Mozambique

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Microlite Mineral

Size: 4.5 x 4.0 x 2.5 cm

Origin: Ipê Mine / Governador Valadares / Doce Valley / Minas Gerais / Brazil

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Microlite Mineral

Size: 3.75 x 2.33 x 2.22 cm

Origin: Zagi Mt. / Mulla Ghori / Khyber Agency / FATA / Pakistan

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Microlite Mineral

Size of the crystal: 0.2 cm

Origin: Ipê Mine / Governador Valadares / Doce Valley / Minas Gerais / Brazil

Photo by kind permission of © Saul Krotki

Microlite Mineral

Size: 2.5 x 2.3 x 1.9 cm

Origin: Urubu Mine / Itinga / Minas Gerais / Brazil

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Microlite

Size: 0.43 x 0.28 cm
Weight: 0.27 ct
Origin: Rutherford Mine / Amelia Court House / Virginia / USA

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Microlite Mineral

Size of the crystal: 1.4 cm

Origin: Alto do Jacu / Equador / Rio Grande do Norte / Brazil

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Microlite

Weight: 0.09 ct

Origin: Brazil

Photo by kind permission of © www.rocklogic.biz

Microlite Mineral

Size of the crystal: 0.45 cm

Origin: Fisher Quarry / Topsham / Sagadahoc County / Maine / USA

Photo by kind permission of © Peter Cristofono