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Pyrophyllite
Pyrophyllite

Scapolite
Scapolite



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Pyrophyllite
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Scapolite

Pyrophyllite and Scapolite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Not Available
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.534-1.6011.540-1.579
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
0.0500.006-0.037
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Pyrophyllite and Scapolite Optic Character

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

Similar to their colors, Pyrophyllite and Scapolite 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.