Brucite

Formula: Mg(OH)₂
Mineral class: oxides and hydroxides
Crystal system: hexagonal
Mohs scale: 2.5
Density (g/cm³): 2.39
Refractive index: 1.560 - 1.580
Cleavage: perfect
Colors: colorless, white, grey, yellow, brown, green, blue
Transparency: transparent
Luster: waxy
Fluorescence: -
Pleochroism: -
Largest crystal: 50 cm?
Deposits: worldwide
Discovery: 1824
1st Description: 1824
Name: in honor of the U.S. mineralogist Archibald Bruce (1777-1818)

Brucite Mineral

Size: 10.5 x 7.8 x 7.4 cm

Origin: Bazhenovskoe Deposit / Asbest / Ekaterinburg / Ural / Russia

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Brucite

Weight: 0.82 ct

Origin: Tsumeb / Namibia

Photo by kind permission of © Darlene Cobler

Brucite Mineral

Size: 5.0 x 4.0 x 2.75 cm

Origin: Wood's Chrome Mine / Texas / Lancaster County / Pennsylvania / USA

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Brucite Mineral

Size: 4.2 x 2.0 x 1.5 cm

Origin: Wessels Mine / Hotazel / Northern Cape Prov. / South Africa

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Brucite Mineral

Size: 4.6 x 4.4 x 2.3 cm

Origin: Palabora Mine / Loolekop / Phalaborwa / Limpopo Prov. / South Africa

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Brucite

Weight: 0.37 ct

Origin: Tsumeb / Namibia

Photo by kind permission of © Darlene Cobler

Brucite Mineral

Size: 7.8 x 5.5 x 2.5 cm

Origin: Deception Bay / Nunavik / Québec Prov. / Canada

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Brucite

Weight: 1.82 ct

Origin: Russia

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Brucite Mineral

Size: 4.1 x 2.8 x 2.0 cm

Origin: Wessels Mine / Hotazel / Northern Cape Prov. / South Africa

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Brucite Mineral

Size: 2.5 x 1.8 x 1.5 cm

Origin: N'Chwaning Mine / Hotazel / Northern Cape Prov. / South Africa

Photo by kind permission of © www.freilichminerals.com