Moissanite

Formula:  SiC

Origin of name:  For F. Moisann, French chemist

 

Crystal system:  Hexagonal

Crystal class:  6mm

Twinning: 

Unit cell: 

 

Colour:  Colourless, greenish yellow, dark green to blue, grey , black

Diaphaneity: 

Luster:  Metallic

Habit:  Hexagonal plates, small

Hardness:  9.5

Specific gravity:  3.218

Cleavage:  None

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments:  Data are for moissanite-6H; there are also -5H, -10R, -15R and -33R polytypes; from sedimentary rocks and meteorite, occurrences suspected as contamination

 

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