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Felspar Group

It is most abundant of all minerals. It is used for making more than 50% by weight crust of earth It is non-metallic and silicate minerals


FELSPAR GROUP

 

It is most abundant of all minerals

 

It is used for making more than 50% by weight crust of earth It is non-metallic and silicate minerals

 

CHEMICAL COMPOSITION:

 

Potash feldspar  KAlSi3 O8

 

Soda-lime feldspar  NaAlSi3O8 (OR) CaAl2Si2O8

 

VARITIES OF POTASH

 

FELSPAR: Orthoclase

 

Sanidine

 

Microcline

 

SODA LIME FELSPAR:

 

Albite

 

Oligoclase

 

Andecine

 

Amarthitie

 

Labrodorie

 

GENERAL PHYSICAL:

 

CRYSTAL SYSTEM: monoclinic,triclinic

 

HABIT: Tabular (crystalline)

 

CLEAVAGE: Perfect( 2- directional)


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