Stibiotantalite and dendritic agate Optical Properties

Stibiotantalite

dendritic agate

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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

TranslucentWalter Schumann, Gemstones of the world (2001)

1.5 Refractive Index

2.37-2.45Not Available

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

TranslucentWalter Schumann

Stibiotantalite and dendritic agate Optic Character

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

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Stibiotantalite and dendritic agate Transparency

Similar to their colors, Stibiotantalite and dendritic agate 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.