Stibiotantalite and Tortoiseshell Optical Properties

Stibiotantalite

Tortoiseshell

Add ⊕

1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Gemmological Tables (2004)

1.5 Refractive Index

2.37-2.451.540-1.560

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.08Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

OpaqueUlrich Henn and Claudio C. Milisenda

Stibiotantalite and Tortoiseshell Optic Character

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

Compare Red Gemstones

Stibiotantalite Vs Triplite

Stibiotantalite Vs Tugtupite

Stibiotantalite Vs Uvite

Stibiotantalite and Tortoiseshell Transparency

Similar to their colors, Stibiotantalite and Tortoiseshell 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.