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Topaz
Topaz

Moonstone
Moonstone



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Topaz
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Moonstone

Topaz and Moonstone Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Pearly
1.2 Pleochroism
Weak
AbsentWalter Schumann
1.3 Dispersion
0.01None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Transparent to translucent
1.5 Refractive Index
1.606-1.6441.518-1.527
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.008-0.0110.006-0.007
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Topaz and Moonstone Optic Character

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

Topaz and Moonstone Transparency

Similar to their colors, Topaz and Moonstone 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, Topaz is Transparent while Topaz is Transparent in appearance.