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Phenakite
Phenakite

Ekanite
Ekanite



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Phenakite
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Ekanite

Phenakite and Ekanite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.3 Pleochroism
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Not Available
1.5 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.10 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.11 Refractive Index
1.650-1.6951.593-1.596
Agate Opal
1 3.25
1.12 Optic Character
Not Available
Not Available
1.14 Crystal System
Trigonal
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
1.15 Birefringence
0.0160.001
Achroite
0 0.296
1.16 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Phenakite and Ekanite Optic Character

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

Phenakite and Ekanite Transparency

Similar to their colors, Phenakite and Ekanite 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, Phenakite is Gemmological Tables (2004) More from other references while Phenakite is Gemmological Tables (2004) More from other references in appearance.