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Idocrase
Idocrase

Apophyllite
Apophyllite



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Idocrase
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Apophyllite

Idocrase 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
Not Available
Transparent, Translucent
1.5 Refractive Index
1.67-1.761.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Uniaxial/-
1.7 Crystal System
tetragonal
tetragonal
1.8 Birefringence
Not Available0.000-0.003
Achroite
0 0.296
1.9 Clarity
Color grading system
Transparent

Idocrase and Apophyllite Optic Character

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

Idocrase and Apophyllite Transparency

Similar to their colors, Idocrase 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, Idocrase is Not Available while Idocrase is Not Available in appearance.