Formula: MnTiTa2O8
Origin of name: from titanium and wodginite
Crystal system: Monoclinic
Crystal class: 2/m
Twinning: penetration twins common on {001} and {100}as composition planes, typical
Unit cell: a = 9.466, b = 11.431, c = 5.126, β = 90.31°
Colour: Dark brown to black
Diaphaneity: Transparent to translucent
Luster: Vitreous
Habit: Euhedral, bipyramidal single crystals to 1 cm, irregular clusters
Hardness: 5.5
Specific gravity: 6.86
Cleavage: None
Tenacity: Brittle, irregular fracture
Streak: Dark brown
Synonyms/varieties:
Comments: Found in complex, zoned granite pegmatites
| Back to Alphabetical list | Colour photos | Optical properties/Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |