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definition Staurolite is a red brown to black, mostly opaque, nesosilicate mineral with a white streak. It crystallizes in the monoclinic crystal system, has a Mohs hardness of 7 to 7.5 and the chemical formula: Fe2+2Al9O6(SiO4)4(O,OH)2. more like this
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Stau more like this
source more like this
Resource original
Concept original
broader original
narrower staurolite original
in scheme commodity-code original
is primary topic of staurolite