Buckhornite

Formula:  AuPb2BiTe2S3

Origin of name:  After locality; Buckhorn mine, Colorado

 

Crystal system:  Orthorhombic

Crystal class:  222 or 2/m /2m 2/m

Twinning:

Unit cell:

 

Colour:  Black

Diaphaneity:  Opaque

Luster:

Habit:  Blades to 1.5 mm, flexible

Hardness:  2.5 to 3

Specific gravity:  8.34

Cleavage:  1; Perfect

Tenacity:

Streak:  Grey

 

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