Cassidyite

Formula:  Ca2(Ni,Mg)(PO4)2 . 2H2O

Origin of name:  For W. Cassidy, Australia

 

Crystal system:  Triclinic

Crystal class:  -1

Twinning:

Unit cell:

 

Colour:  Pale green to bright green

Luster:

Habit:  Fibrous, in thin crusts and spherules

Hardness:

Specific gravity:  3.10

Cleavage:  None

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:  From meteorites

 

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