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Chrysoprase
Chrysoprase

Stibiotantalite
Stibiotantalite



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Chrysoprase
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Stibiotantalite

Chrysoprase and Stibiotantalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Vitreous, Waxy
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent, Opaque, Translucent to nearly opaque
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.530-1.5432.37-2.45
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.0040.08
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Chrysoprase and Stibiotantalite Optic Character

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

Chrysoprase and Stibiotantalite Transparency

Similar to their colors, Chrysoprase and Stibiotantalite 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, Chrysoprase is Opaque, Translucent, Translucent and Translucent to nearly opaque while Chrysoprase is Opaque, Translucent, Translucent and Translucent to nearly opaque in appearance.