Astrophyllite and Dinosaur Bone Optical Properties

Astrophyllite

Dinosaur Bone

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1 Optical Properties

1.1 Luster

Greasy, Pearly

Not Available

1.2 Pleochroism

Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Not Available

1.5 Refractive Index

1.678-1.758Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Not Available

1.8 Birefringence

0.050Not Available

0 0.296

1.9 Clarity

Translucent

Not Available

Astrophyllite and Dinosaur Bone Optic Character

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

Similar to their colors, Astrophyllite 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, Astrophyllite is Translucent while Astrophyllite is Translucent in appearance.