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Heliodor Golden Beryl and Bertrandite Optical Properties


Bertrandite and Heliodor Golden Beryl Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Weak: golden-yellow   
none.   

Dispersion
0.01   
26
Not Available   

Transparency
Transparent, Translucent   
TransparentAnthony et al, Handbook of mineralogy (2001)   

Refractive Index
1.566-1.579   
1.583-1.614   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21   

Birefringence
0.005-0.009   
Not Available   

Clarity
Transparent   
TransparentAnthony et al   

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Heliodor Golden Beryl and Bertrandite Optic Character

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

Similar to their colors, Heliodor Golden Beryl and Bertrandite 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.

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