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Eilat stone
Eilat stone

Pumpellyite
Pumpellyite



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Eilat stone
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Pumpellyite

Eilat stone and Pumpellyite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Fibrous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004)
1.5 Refractive Index
Not Available1.674-1.764
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.014-0.016
Achroite
0 0.296
1.9 Clarity
Not Available
OpaqueUlrich Henn and Claudio C. Milisenda

Eilat stone and Pumpellyite Optic Character

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

Eilat stone and Pumpellyite Transparency

Similar to their colors, Eilat stone 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, Eilat stone is Not Available while Eilat stone is Not Available in appearance.