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Phosphophyllite
Phosphophyllite

Prase
Prase



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Phosphophyllite
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Prase

Phosphophyllite and Prase Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.595-1.6211.544-1.553
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.0210.009
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Phosphophyllite and Prase Optic Character

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

Similar to their colors, Phosphophyllite and Prase 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.