Polyhalite and Heliodor Golden Beryl Optical Properties

Polyhalite

Heliodor Golden Beryl

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1 Optical Properties

1.1 Luster

Vitreous, Resinous

Not Available

1.2 Pleochroism

Not Available

Weak: golden-yellow

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

1.546-1.5481.566-1.579

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Not Available

1.8 Birefringence

0.0210.005-0.009

0 0.296

1.9 Clarity

Not Available

Transparent

Polyhalite and Heliodor Golden Beryl Optic Character

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

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Polyhalite and Heliodor Golden Beryl Transparency

Similar to their colors, Polyhalite 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, Polyhalite is Not Available while Polyhalite is Not Available in appearance.