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Coral
Coral

Natrolite
Natrolite



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Coral
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Natrolite

Coral and Natrolite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous, Silky, Pearly
1.2 Pleochroism
AbsentWalter Schumann
NilArthur Thomas
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.486-1.658
1.478-1.493
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.160-0.172
0.012-0.013
1.9 Clarity
Translucent
Transparent

Coral and Natrolite Optic Character

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

Coral and Natrolite Transparency

Similar to their colors, Coral and Natrolite 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, Coral is Translucent while Coral is Translucent in appearance.

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