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Mother of Pearl
Mother of Pearl

Danburite
Danburite



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Mother of Pearl
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Danburite

Mother of Pearl and Danburite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
Weak: pale yellow yellow
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.53-1.691.627-1.639
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.160.006
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
TransparentUlrich Henn and Claudio C. Milisenda

Mother of Pearl and Danburite Optic Character

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

Mother of Pearl and Danburite Transparency

Similar to their colors, Mother of Pearl and Danburite 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.