Verdite and Anorthoclase Optical Properties

Verdite

Anorthoclase

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1 Optical Properties

1.1 Luster

Vitreous, Silky

Vitreous, Pearly

1.2 Pleochroism

Extreme

WeakMichael OâDonoghue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

1.5 Refractive Index

1.5801.518-1.534

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1

1.8 Birefringence

Not Available0.006-0.008

0 0.296

1.9 Clarity

Translucent

Verdite and Anorthoclase Optic Character

Verdite and Anorthoclase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Verdite and Anorthoclase Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Verdite and Anorthoclase optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Verdite and Anorthoclase Transparency

Similar to their colors, Verdite and Anorthoclase transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Verdite is Translucent while Verdite is Translucent in appearance.