Heliodor Golden Beryl and Mottramite Optical Properties

Heliodor Golden Beryl

Mottramite

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1 Optical Properties

1.1 Luster

Not Available

Greasy

1.2 Pleochroism

Weak: golden-yellow

Visible X=Y= canary yellow to greenish yellow

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.566-1.5792.170

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

0.005-0.0090.150

0 0.296

1.9 Clarity

Transparent

Not Available

Heliodor Golden Beryl and Mottramite Optic Character

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

Similar to their colors, Heliodor Golden Beryl and Mottramite 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, Heliodor Golden Beryl is Translucent and Transparent while Heliodor Golden Beryl is Translucent and Transparent in appearance.