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Turquoise
Turquoise

Aventurine
Aventurine



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Turquoise
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Aventurine

Turquoise and Aventurine Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Vitreous
1.2 Pleochroism
Weak
AbsentWalter Schumann
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Translucent, Opaque . May be translucent when backlit on the edges.
1.5 Refractive Index
1.610-1.6501.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Trigonal
1.8 Birefringence
0.0400.007-0.010
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Turquoise and Aventurine Optic Character

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

Turquoise and Aventurine Transparency

Similar to their colors, Turquoise and Aventurine 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, Turquoise is Opaque and Translucent while Turquoise is Opaque and Translucent in appearance.