PALGIOCLASE

Chemical Formula : Na Al Si₃ O₈ - Ca Al₂ Si₂ O₈

Composition : Sodium Aluminium Silicate & Calcium Aluminium Silicate

Crystal System : Triclinic

Group : Feldspar - Framework Silicate

3D MODEL

Color : White

Form / Habit : Massive

Cleavage : 2 sets of perfect cleavages cutting at 90°

Hardness : 6 - 6.5

Specific Gravity : 2.6 - 2.7

Fracture : Oblique

Luster : Vitreous

Streak : White

Occurrence : It is seen in volcanic igneous and metamorphic rock. It is a major constituent of earth's crust.

Uses : It is used in petrology for identifying origin and composition of igneous rock.

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