Langisite

Formula:  (Co,Ni)As

Origin of name:  After locality; Langis mine, Ontario, Canada

 

Crystal system:  Hexagonal

Crystal class:  6/m 2/m 2/m

Twinning: 

Unit cell: 

 

Colour:  Pinkish-buff in reflected light

Diaphaneity:  Opaque

Luster:  Metallic

Habit:  Minute irregular grains and lamellae

Hardness:  6

Specific gravity:  8.174

Cleavage:  None

Tenacity: 

Streak: 

 

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