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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 Christmas Mine, Christmas, Banner Mining District, Gila County, Arizona, USA, clinohedrite occurs with
stringhamite,
kinoite and apophyllite
(HOM).
At the type locality, the Trotter Mine, Franklin Mine, Franklin, Sussex County, 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).
Clinohedrite from the Trotter Mine -
Image
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