Beryllonite
Berylloniet, Beryllonit, Beryllonita, Бериллонит, 베릴 로 나이트, 磷鈉鈹石

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


Formula: NaBe[PO4]
Mineral class: phosphates
Crystal system: monoclinic
Mohs scale: 5.5 - 6
Density (g/cm3): 2.8 - 2.85
Refractive index: 1.552 - 1.561
Cleavage: different
Colors: colorless, yellowish
Luster: vitreous - adamantine
Fluorescence: -
Pleochroism: -
Largest Beryllonite: 25 cm?
Deposits: Afghanistan, Brazil, Finland, USA, Zimbabwe
1st Description: 1951
Name: ref. to its content of beryllium

Beryllonite Mineral

Size: 1.9 x 1.8 x 0.8 cm

Origin: Linópolis / Divino das Laranjeiras / Doce Valley / Minas Gerais / Brazil

Photo by kind permission of © www.irocks.com
Beryllonite Mineral
Beryllonite

Size: 1.0 x 0.77 cm
Weight: 2.32 ct
Origin: Maine / USA

Photo by kind permission of © www.ke4gems.com

Beryllonite Cat's Eye

Weight: 5.17 ct

Origin: Afghanistan

Photo by kind permission of © www.irocks.com


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