Tantalite and Rhodochrosite Optical Properties

Tantalite

Rhodochrosite

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1 Optical Properties

1.1 Luster

Resinous

Vitreous

1.2 Pleochroism

Not Available

Weak

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

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

Transparent, Opaque, Transparent to nearly opaque

1.5 Refractive Index

2.190-2.4571.60

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Trigonal

1.8 Birefringence

0.0830.208-0.220

0 0.296

1.9 Clarity

TransparentWalter Schumann

Transparent to nearly opaque

Tantalite and Rhodochrosite Optic Character

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

Similar to their colors, Tantalite and Rhodochrosite 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, Tantalite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Tantalite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.