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Stibiotantalite
Stibiotantalite

Calcite
Calcite



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Stibiotantalite
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Calcite

Stibiotantalite and Calcite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Pearly
1.2 Pleochroism
Not Available
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
1.5 Refractive Index
2.37-2.451.486-1.658
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.080.154-0.174
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Stibiotantalite and Calcite Optic Character

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

Stibiotantalite and Calcite Transparency

Similar to their colors, Stibiotantalite and Calcite 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, Stibiotantalite is Gemmological Tables (2004) More from other references while Stibiotantalite is Gemmological Tables (2004) More from other references in appearance.