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Rutile
Rutile

Pumpellyite
Pumpellyite



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Rutile
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Pumpellyite

Rutile and Pumpellyite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Fibrous
1.2 Pleochroism
Weak to distinct brownish red-green-yellow
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004)
1.5 Refractive Index
2.609-2.9031.674-1.764
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
monoclinic
1.8 Birefringence
0.2960.014-0.016
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Rutile and Pumpellyite Optic Character

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

Rutile and Pumpellyite Transparency

Similar to their colors, Rutile and Pumpellyite 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, Rutile is Translucent and Transparent while Rutile is Translucent and Transparent in appearance.