Mineral Name

Orthoclase

Chemical Formula

KAlSi3O8

Creator

Preview

Color

colorless, white, gray, pink, peach

Class

Article

Luster

vitreous (glassy)

Diaphaneity

transparent to translucent

Hardness

6 (Moh's index)

Cleavage

2 directions: {001} perfect, {010} good

Fracture

uneven, flat surfaces

Density

2.56

Crystal Shape

blocky

Crystal System

Monoclinic

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