Barysilite

barysilite

willemite

axinite

hardystonite

Images

Formula: Pb8Mn(Si2O7)3
Sorosilicate (Si2O7 groups), manganese-bearing mineral
Specific gravity: 6.55 to 6.72
Hardness: 3
Streak: White
Colour: White to pinkish white, darkens on exposure to light
Solubility: Gelatinises in hydrochloric acid
Common impurities: Al,Fe,Zn,Mg,Ca
Environments

Metamorphic environments

Localities

At the type locality, the Harstigen Mine, Pajsberg, Persberg ore district, Filipstad, Värmland County, Sweden, barysilite occurs in iron ore (HOM).
Barysilite from the Harstigen Mine - Image

At the Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA, barysilite occurs as thin fllms and veinlets in a metamorphosed zinc orebody, associated with garnet, willemite, axinite and hardystonite (HOM).
Barysilite from the Franklin Mine - Image

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