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Mother of Pearl
Mother of Pearl

Apophyllite
Apophyllite



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Mother of Pearl
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Apophyllite

Mother of Pearl 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
Gemmological Tables (2004)
Transparent, Translucent
1.5 Refractive Index
1.53-1.691.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Uniaxial/-
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
0.160.000-0.003
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
Transparent

Mother of Pearl and Apophyllite Optic Character

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

Mother of Pearl and Apophyllite Transparency

Similar to their colors, Mother of Pearl 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, Mother of Pearl is Gemmological Tables (2004) while Mother of Pearl is Gemmological Tables (2004) in appearance.