Chayesite

Formula:  K(Mg,Fe)4FeSi12O30

Origin of name:  For Felix Chayes, American petrologist

 

Crystal system:  Hexagonal

Crystal class:  6/m 2/m 2/m

Twinning:

Unit cell:

 

Colour:  Blue

Diaphaneity:  Transparent

Luster:  Vitreous

Habit:  Microscopic tabular crystals

Hardness:

Specific gravity:

Cleavage:  None

Tenacity:

Streak:  White

 

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