Austinite and Manganotantalite Optical Properties

Austinite

Manganotantalite

Add ⊕

1 Optical Properties

1.1 Luster

Subadamantine, Silky, Fibrous

Not Available

1.2 Pleochroism

Not Available

Sometimes strongArthur Thomas

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

1.5 Refractive Index

1.7592.19-2.34

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.0240.015

0 0.296

1.9 Clarity

Not Available

TransparentWalter Schumann

Austinite and Manganotantalite Optic Character

Austinite and Manganotantalite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Austinite and Manganotantalite 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 Austinite and Manganotantalite 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 Green Gemstones

Austinite Vs Clintonite

Austinite Vs Apophyllite KF

Austinite Vs Cordierite

Austinite and Manganotantalite Transparency

Similar to their colors, Austinite and Manganotantalite 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, Austinite is Not Available while Austinite is Not Available in appearance.