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Purpurite
Purpurite

Mother of Pearl
Mother of Pearl



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Purpurite
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Mother of Pearl

Purpurite and Mother of Pearl Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
StrongArthur Thomas
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
Gemmological Tables (2004)
1.5 Refractive Index
1.85-1.921.53-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.0700.16
Achroite
0 0.296
1.9 Clarity
TranslucentWalter Schumann
Gemmological Tables (2004)

Purpurite and Mother of Pearl Optic Character

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

Purpurite and Mother of Pearl Transparency

Similar to their colors, Purpurite and Mother of Pearl 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, Purpurite is Gemstones of the world (2001) More from other references and TranslucentWalter Schumann while Purpurite is Gemstones of the world (2001) More from other references and TranslucentWalter Schumann in appearance.