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Opal Australia
Opal Australia

Stibiotantalite
Stibiotantalite



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Opal Australia
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Stibiotantalite

Opal Australia and Stibiotantalite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.13 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.14 Refractive Index
1.42-1.472.37-2.45
Agate Opal
1 3.25
1.15 Optic Character
Not Available
Not Available
1.16 Crystal System
Not Available
Not Available
1.17 Birefringence
Not Available0.08
Achroite
0 0.296
1.18 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Opal Australia and Stibiotantalite Optic Character

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

Opal Australia and Stibiotantalite Transparency

Similar to their colors, Opal Australia 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, Opal Australia is Not Available while Opal Australia is Not Available in appearance.