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Nacre
Nacre

Diaspore
Diaspore



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Nacre
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Diaspore

Nacre and Diaspore Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Pearly
1.2 Pleochroism
Not Available
Strong
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
Not Available1.702-1.750
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.048
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Nacre and Diaspore Optic Character

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

Nacre and Diaspore Transparency

Similar to their colors, Nacre and Diaspore 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, Nacre is Not Available while Nacre is Not Available in appearance.