Elpasolite

Formula:   K2NaAlF6

Origin of name:   Locality; El Paso Co., Colorado

 

Crystal system:   Cubic

Crystal class:   4/m -3 2/m

Twinning:

Unit cell: 

 

Colour:  Colourless

Diaphaneity:  Transparent

Luster:   Vitreous to greasy

Habit:   Crystals indistinct, in aggregates; massive

Hardness:   2.5

Specific gravity:   2.99

Cleavage:   None

Tenacity: 

Streak: 

 

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