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Zircon
Zircon

Apophyllite
Apophyllite



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Zircon
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Apophyllite

Zircon and Apophyllite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Pearly
1.2 Pleochroism
Weak
Dichroic (colorless)
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.810-2.0241.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Uniaxial/-
1.7 Crystal System
tetragonal
tetragonal
1.8 Birefringence
0.047-0.0550.000-0.003
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Zircon and Apophyllite Optic Character

Zircon and Apophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Zircon and Apophyllite 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 Zircon and Apophyllite 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.

Zircon and Apophyllite Transparency

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