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VS
Rokühnite
Name
—
FeCl₂·2H₂O
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Monoclinic
Crystal system
—
—
Mohs hardness
—
2.35
Specific gravity
—
—
Streak
—
—
Luster
—
Very good on {110}; good on {010}
Cleavage
—
C2/m
Space group
—
—
Structural group
—
Rok · Approved
IMA
—
1979
Named in
—
Light green, turning brown on oxidation; colorless in transmitted light
Typical colors
—
Fe · Cl · H · O
Elements
—