A MINERAL...

-can be a crystalline solid

-must occur naturally

-must be inorganic

-must have a definite chemical composition
 
 

MINERALS ARE CLASSIFIED BY THEIR...
 
 
 -coloring  -smell
 -layering  -hardness
 -magnetism  -streak
 -conductivity  -taste

COMMON MINERALS ARE...
 quartz  biotite
 k-feldspar  pyrobole
 albite  olivine
 anorthosite  muscovite

 

WHEN A MINERAL IS GROUND...

into a powder, its color streak may be different from the bulk specimen's color.C

lass

Willette's

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