Formula: As4S5
Origin of name: after locality Uzon caldera, Russia
Crystal system: monoclinic
Crystal class: 2/m
Twinning: cross-like twins
Unit cell: = 7.94, b = 8.08, c = 7.1, β = 100.1°
Colour: yellow
Diaphaneity: Transparent
Luster: pearly to greasy
Habit: crystals prismatic, microscopic
Hardness: 1.5
Specific gravity: 3.37
Cleavage: 1; {001} distinct
Tenacity:
Streak: Yellow
Synonyms/varieties:
Comments:
| 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 |