Costibite

Formula:  CoSbS

 

Origin of name:  From cobalt and antimony (Latin Stibium)

 

Crystal system:  Orthorhombic

Crystal class:  mm2

Twinning:

Unit cell: a = 3.603 Å, b = 4.868 Å, c = 5.838 Å

 

Colour:  Grayish in polished section

Diaphaneity:  Opaque

Luster:  Metallic

Habit:  Massive, small lammellae

Hardness:  6

Specific gravity:  6.89

Cleavage:  None

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:  Dimorphous with paracostibite. Found intimately intergrown with other hydrothermal sulphides; in Pb-Zn-Cu ore deposits remobilised by hydrothermal fluids later granite emplacement

 

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