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Chiastolite
Chiastolite

Apophyllite
Apophyllite



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Chiastolite
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Apophyllite

Chiastolite and Apophyllite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
Not Available
Dichroic (colorless)
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.627-1.6451.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Uniaxial/-
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
0.007-0.0130.000-0.003
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Chiastolite and Apophyllite Optic Character

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

Chiastolite and Apophyllite Transparency

Similar to their colors, Chiastolite 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, Chiastolite is Translucent while Chiastolite is Translucent in appearance.