Canaphite

Formula:  CaNa2P2O7 . 4H2O

Origin of name:  From composition

 

Crystal system:  Monoclinic

Crystal class:  m

Twinning:

Unit cell:

 

Colour:  Colourless

Diaphaneity:  Transparent

Luster:  Vitreous

Habit: Crystals prismatic, elongated, tabular

Hardness:  2

Specific gravity:  2.24

Cleavage:  3; {010} perfect, {100} and {001} poor

Tenacity:

Streak:  White

 

Synonyms/varieties:

 

Comments:

 

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