Formula: U(PO4)(OH) . H2O
Origin of name: For M. Lermontov, Russian writer
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Grayish green
Diaphaneity:
Luster: Dull, silky on fracture
Habit: Radial fibrous needles in botryoidal aggregates
Hardness:
Specific gravity: 4.50
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
| 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 |