Pinchite

Formula: Hg5O4Cl2

Origin of name: for W. Pinch, American collector

 

Crystal system: orthorhombic

Crystal class: 2/m 2/m 2/m

Twinning: 

Unit cell: 

 

Colour: black to dark brown

Diaphaneity: 

Luster: 

Habit: blocky or platy crystals to 1 mm

Hardness: 1

Specific gravity: 9.5

Cleavage: none

Tenacity: 

Streak: reddish brown

 

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