Formula: (Zn,Hg)S
Origin of name: for Clyde Polhemus Ross, American geologist
Crystal system: tetragonal, pseudocubic
Crystal class: 4/m
Twinning:
Unit cell:
Colour: black
Diaphaneity:
Luster: resinous to adamantine
Habit: crystals stubby tetragonal prisms and dipyramids, microscopic, irregular grains
Hardness: 4
Specific gravity: 4.5
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 |