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Foitite
Foitite

Heliodor Golden Beryl
Heliodor Golden Beryl



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Heliodor Golden Beryl

Foitite and Heliodor Golden Beryl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Strong: pale lavender dark blueAnthony et al
Weak: golden-yellow
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.01
Rank: 26 (Overall)
Fluorite Optical Properties
1.4 Transparency
TranslucentAnthony et al, Translucent
Transparent, Translucent
1.5 Refractive Index
Not Available
1.566-1.579
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Not Available
1.8 Birefringence
Not Available
0.005-0.009
1.9 Clarity
TranslucentAnthony et al
Transparent

Foitite and Heliodor Golden Beryl Optic Character

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

Foitite and Heliodor Golden Beryl Transparency

Similar to their colors, Foitite 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, Foitite is Translucent and TranslucentAnthony et al while Foitite is Translucent and TranslucentAnthony et al in appearance.