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Pearl
Pearl

Liddicoatite
Liddicoatite



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Liddicoatite

Pearl and Liddicoatite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Strong: dark brown light brownAnthony et al
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Transparent
1.5 Refractive Index
1.52-1.66Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.156Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Pearl and Liddicoatite Optic Character

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

Pearl and Liddicoatite Transparency

Similar to their colors, Pearl and Liddicoatite 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, Pearl is Opaque and Translucent while Pearl is Opaque and Translucent in appearance.