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Phenakite
Phenakite

Turquoise
Turquoise



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Phenakite
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Turquoise

Phenakite and Turquoise Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Waxy
1.2 Pleochroism
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Weak
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent, Opaque
1.5 Refractive Index
1.650-1.6951.610-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Triclinic
1.8 Birefringence
0.0160.040
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Phenakite and Turquoise Optic Character

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

Similar to their colors, Phenakite and Turquoise 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.