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Adamite
Adamite

Apatite
Apatite



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Adamite
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Apatite

Adamite and Apatite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Blue stones – strong

Dispersion

0.060.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.708-1.7221.628-1.651
1 3.25
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Optic Character

Biaxial/+
-

Crystal System

Orthorhombic
Hexagonal

Birefringence

0.031-0.0500.002-0.008
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Adamite and Apatite Optic Character

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

Adamite and Apatite Transparency

Similar to their colors, Adamite and Apatite 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, Adamite is Transparent while Adamite is Transparent in appearance.