Thulite and Dinosaur Bone Optical Properties

Thulite

Dinosaur Bone

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Optical Properties

Luster

Vitreous

Pleochroism

Present

Dispersion

0.02-

0.005 1

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Transparency

Opaque, Translucent, Opaque . May be translucent in thin backlit sections.

Refractive Index

1.695-9999

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.006-0.018-9999

0 0.296

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Clarity

OpaqueHerve Nicolas Lazzarelli

Thulite and Dinosaur Bone Optic Character

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

Similar to their colors, Thulite 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, Thulite is Opaque, Translucent and Opaque . May be translucent in thin backlit sections. while Thulite is Opaque, Translucent and Opaque . May be translucent in thin backlit sections. in appearance.