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Phenakite
Phenakite

Morganite
Morganite



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Phenakite
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Morganite

Phenakite and Morganite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Distinct: pale pink bluish-pinkHerve Nicolas Lazzarelli
1.3 Dispersion
Albite Optical ..
0.02
Rank: 24 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.650-1.695
1.573-1.600
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Hexagonal
1.8 Birefringence
0.016
0.005-0.009
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent to translucent

Phenakite and Morganite Optic Character

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

Similar to their colors, Phenakite and Morganite 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.