Nambulite

Formula: LiNaMn₈Si₁₀O₂₈(OH)₂
Mineral class: silicates
Crystal system: triclinic
Mohs scale: 6.5
Density (g/cm³): 3.51
Refractive index: 1.706 - 1.730
Cleavage: perfect - distinct
Colors: orange, red, brown
Luster: vitreous
Fluorescence: -
Pleochroism: weak
Largest Nambulite: 8 mm
Deposits: Japan, Namibia, Sweden, Slovakia
Discovery: 1972
1st Description: 1972
Name: in honor of the Japanese mineralogist Matsuo Nambu

Nambulite Mineral

Origin: Kombat Mine / Grootfontein / Namibia

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Nambulite Mineral

Origin: Kombat Mine / Grootfontein / Namibia

Photo by kind permission of © www.irocks.com

Nambulite Mineral

Size: 1.4 x 1.1 x 0.4 cm

Origin: Kombat Mine / Grootfontein / Namibia

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Nambulite

Weight: 0.89 ct

Origin: Namibia

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Nambulite

Weight: 1.83 ct

Origin: Namibia

Photo by kind permission of © www.irocks.com