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Formula: CaZn(SiO4).H2O
Nesosilicate (insular SiO4 groups)
Crystal System: Monoclinic
Specific gravity: 3.28 to 3.335 measured, 3.32 calculated
Hardness: 5½
Streak: White
Colour: Colourless to white, pale amethystine
Solubility: Gelatinised in hydrochloric acid
Common impurities: Fe,Al,Mn,Mg
Environments:
Metamorphic environments
Hydrothermal environments
At the type locality, Trotter mine, Franklin, New Jersey, USA, clinohedrite occurs in a hydrothermally altered,
metamorphosed
zinc-manganese-iron
silicate-oxide orebody, with
willemite,
axinite, hancockite,
roeblingite,
hardystonite, esperite,
datolite, bustamite,
andradite, nasonite,
glaucochroite,
calcite, larsenite,
hodgkinsonite and
franklinite
(HOM).
At the Christmas mine, Arizona, USA, clinohedrite occurs with
stringhamite,
kinoite and apophyllite
(HOM).
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