General Information:
Chemical Formula:
MnZn2SiO4(OH)2
Composition:
(Molecular Weight = 246.43 gm)
Manganese 22.29 % Mn
Zinc 26.54 % Zn
Silicon 11.40 % Si
Hydrogen 0.82 % H
Oxygen 38.96 % O
Empirical Formula:
Mn2+Zn(SiO4)(OH)2
Environment:
Metamorphosed zinc-manganese deposit.
Locality:
Franklin, Sussex Co., New Jersey, USA.
Physical Properties:
Cleavage:
[???] Perfect
Color:
light pink, orange, or reddish brown.
Density:
3.91
Diaphaniety:
Translucent to subtranslucent to opaque
Habits:
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Acicular - Occurs as needle-like crystals.,
Hardness:
4.5-5
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
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