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Pyrophyllite
Pyrophyllite

Prase Opal
Prase Opal



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Pyrophyllite
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Prase Opal

Pyrophyllite and Prase Opal Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Not Available
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.534-1.601
1.370-1.470
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.050
Not Available
1.9 Clarity
Translucent
Transparent

Pyrophyllite and Prase Opal Optic Character

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

Pyrophyllite and Prase Opal Transparency

Similar to their colors, Pyrophyllite and Prase Opal 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, Pyrophyllite is Translucent while Pyrophyllite is Translucent in appearance.