Chapter Title

Characteristics of Feldspar:

Streak:white

Color:pink, white, gray, and brown.

Crystal system: monoclinic triclinic

Transparency: opaque

Specific gravity: 2.56-2.75

Hardness: 6-6.5

Luster:glassy

Cleavage:mood near 90 degrees.

Fracture: conochodial

Varieties: orthoclase, microcline, sanidine, albite, andesine, labradorite.