Manganotantalite and Heliodor Golden Beryl Optical Properties

Manganotantalite

Heliodor Golden Beryl

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Sometimes strongArthur Thomas

Weak: golden-yellow

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

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

Transparent, Translucent

1.5 Refractive Index

2.19-2.341.566-1.579

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.0150.005-0.009

0 0.296

1.9 Clarity

TransparentWalter Schumann

Transparent

Manganotantalite and Heliodor Golden Beryl Optic Character

Manganotantalite and Heliodor Golden Beryl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Manganotantalite and Heliodor Golden Beryl 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 Manganotantalite and Heliodor Golden Beryl 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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Manganotantalite and Heliodor Golden Beryl Transparency

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