Formula: Fe2(OH)3Cl
Origin of name: After locality; Hibbing, Minnesota
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell: a = 6.31, b = 9.2, c = 7.1
Colour: Colourless, pale green, reddish, becomes more yellow on oxidation
Diaphaneity: Transparent to opaque
Luster:
Habit: Vein fillings in drill core, grains 3-100 x 20-700 µm, platy
Hardness: 3.5
Specific gravity: 3.04
Cleavage: 1 Good
Tenacity:
Streak: White
Synonyms/varieties:
Comments: Soluble in water and ethanol
| Back to Alphabetical list | Colour photos | Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |