Pyrope Garnet and Actinolite Optical Properties

Pyrope Garnet

Actinolite

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Optical Properties

Luster

Vitreous

Pleochroism

moderate

Dispersion

0.030.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

TransparentUlrich Henn and Claudio C. Milisenda

Refractive Index

1.720-1.7601.613-1.628

1 3.25

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Optic Character

Crystal System

Isometric

monoclinic

Birefringence

-99990.0250-0.0270

0 0.296

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Clarity

Transparent to translucent

TransparentUlrich Henn and Claudio C. Milisenda

Pyrope Garnet and Actinolite Optic Character

Pyrope Garnet and Actinolite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pyrope Garnet and Actinolite 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 Pyrope Garnet and Actinolite 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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Pyrope Garnet and Actinolite Transparency

Similar to their colors, Pyrope Garnet and Actinolite 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, Pyrope Garnet is Transparent, Translucent and Transparent to translucent while Pyrope Garnet is Transparent, Translucent and Transparent to translucent in appearance.