Nepheline and Dinosaur Bone Optical Properties

Nepheline

Dinosaur Bone

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1 Optical Properties

1.1 Luster

Vitreous, Greasy

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.529-1.547Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.003-0.004Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Nepheline and Dinosaur Bone Optic Character

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

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Nepheline and Dinosaur Bone Transparency

Similar to their colors, Nepheline and Dinosaur Bone 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, Nepheline is Translucent and Transparent while Nepheline is Translucent and Transparent in appearance.