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Phosphophyllite
Phosphophyllite

Peridot
Peridot



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Phosphophyllite
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Peridot

Phosphophyllite and Peridot Optical Properties

Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

-
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.595-1.6211.64-1.69
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0210.036
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Phosphophyllite and Peridot Optic Character

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

Similar to their colors, Phosphophyllite and Peridot 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.