Ferri-ferro-tschermakite

Formula:  Ca2(Fe,Mg)3(Fe,Al)2(Si6Al2)O22(OH)2

Origin of name:   From ferric iron (Fe3+), ferrous iron (Fe2+), and tschermakite

 

Crystal system:  Monoclinic

Crystal class:  2/m

Twinning:

Unit cell: 

 

Colour: 

Diaphaneity:

Luster:

Habit:

Hardness:

Specific gravity:

Cleavage: 

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments:   Series with ferritschermakite and with ferrotschermakite

 

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