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Liddicoatite
Liddicoatite

Coral
Coral



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Liddicoatite
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Coral

Liddicoatite and Coral Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Strong: dark brown light brownAnthony et al
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
Not Available1.486-1.658
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.160-0.172
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Liddicoatite and Coral Optic Character

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

Liddicoatite and Coral Transparency

Similar to their colors, Liddicoatite and Coral 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, Liddicoatite is Transparent while Liddicoatite is Transparent in appearance.