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Apophyllite
Apophyllite

Chrysoberyl
Chrysoberyl



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Apophyllite
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Chrysoberyl

Apophyllite and Chrysoberyl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Dichroic (colorless)
X = red; Y = yellow-orange; Z = emerald-green
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 24 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.530-1.543
1.746-1.763
1.6 Optic Character
Uniaxial/-
Biaxial/+
1.7 Crystal System
tetragonal
Orthorhombic
1.8 Birefringence
0.000-0.003
0.007-0.013
1.9 Clarity
Transparent
Transparent

Apophyllite and Chrysoberyl Optic Character

Apophyllite and Chrysoberyl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Apophyllite and Chrysoberyl 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 Apophyllite and Chrysoberyl 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. Apophyllite has Uniaxial/- character.Chrysoberyl has Biaxial/+ character.

Apophyllite and Chrysoberyl Transparency

Similar to their colors, Apophyllite and Chrysoberyl 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, Apophyllite is Translucent and Transparent while Apophyllite is Translucent and Transparent in appearance.