Liberite

liberite

lepidolite

natrolite

hsianghualite

Images

Formula: Li₂Be(SiO₄)
Nesosilicate (insular SiO₄ groups), lithium and beryllium bearing mineral
Crystal System: Monoclinic
Specific gravity: 2.6875 to 2.6885 measured, 2.69 calculated
Hardness: 7
Colour: Pale yellow to brown
Common impurities: Al,Fe,Mg,Ca,Na,K,H₂O
Environments

Hydrothermal environments

Localities

At the type locality, the Xianghualing Mine, Xianghualing Sn-polymetallic ore field, Linwu county, Chenzhou, Hunan, China, liberite occurs in veins cutting a lepidolite-fluorite-magnetite "ribbon rock" in tactite. Associated minerals include lepidolite, natrolite, eucryptite, hsianghualite, cassiterite and scheelite (AM 50.519).
Another associated minral is ferrotaaffeite-2N'2S (CM 50.21-29).

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