Leucophoenicite

leucophoenicite

sussexite

humite

sonolite

Images

Formula: Mn2+7(SiO4)3(OH)2
Nesosilicate, humite group, manganese-bearing mineral
Specific gravity: 3.848
Hardness: 5½ to 6
Streak: Very pale pink to white
Colour: Pink, violet-red, brownish-red to brown
Common impurities: Fe,Mg,Zn,Ca,Na,K,H2O
Environments:

Metamorphic environments
Hydrothermal environments

Localities

At Franklin, New Jersey, leucophoenicite is a late-stage hydrothermal or contact zone mineral in veins and skarn in a metamorphosed stratiform zinc-manganese orebody (AM55.1146), associated with willemite, franklinite, calcite, vesuvianite, garnet, sussexite, rhodochrosite, pyrochroite, tephroite, sonolite, jerrygibbsite, glaucochroite, manganosite, copper, and zincite (HOM).

At the Kombatmine, Namibia, leucophoenicite is associated with barysilite, spessartine, vesuvianite, baryte, copper and hausmannite (HOM).

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