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Riebeckite
Riebeckite

Pyrophyllite
Pyrophyllite



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Riebeckite
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Pyrophyllite

Riebeckite and Pyrophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Pearly
1.2 Pleochroism
X = blue
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent
1.5 Refractive Index
1.680-1.6981.534-1.601
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.005-0.0080.050
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Riebeckite and Pyrophyllite Optic Character

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

Riebeckite and Pyrophyllite Transparency

Similar to their colors, Riebeckite and Pyrophyllite 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, Riebeckite is Not Available while Riebeckite is Not Available in appearance.