General Information:
Chemical Formula:(Co,Fe)As2
Composition:(Molecular Weight = 208.00 gm)Iron 6.71 %
FeCobalt 21.25 %
CoArsenic 72.04 %
As
Empirical Formula: Co0.75Fe2+0.25As2
Locality:SOUT
Name Origin:From the German Safflor - "dyer's saffron."
Physical Properties:
Cleavage:[010] Imperfect
Color:gray, dark gray, or tin white.
Density:6.9 - 7.3, Average = 7.1
Diaphaniety:Opaque
Habits:Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Massive - Granular - Common texture observed in granite and other igneous rock.,
Hardness:4-5 - Fluorite-Apatite
Luminescence:None.
Luster:Metallic
Streak:grayish black
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