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Phosphophyllite
Phosphophyllite

Pyrope Garnet
Pyrope Garnet



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Phosphophyllite
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Pyrope Garnet

Phosphophyllite and Pyrope Garnet Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.595-1.6211.720-1.760
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Isometric

Birefringence

0.021-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent to translucent

Phosphophyllite and Pyrope Garnet Optic Character

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

Phosphophyllite and Pyrope Garnet Transparency

Similar to their colors, Phosphophyllite and Pyrope Garnet 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, Phosphophyllite is while Phosphophyllite is in appearance.