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Druzy
Druzy

Bastnasite
Bastnasite



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Druzy
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Bastnasite

Druzy and Bastnasite Optical Properties

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Optical Properties

Luster

-
Vitreous, Greasy, Pearly

Pleochroism

-
Faint

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Opaque
-

Refractive Index

-99991.717-1.722
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Hexagonal

Birefringence

-99990.100
0 0.296
👆🏻

Clarity

Opaque
TransparentUlrich Henn and Claudio C. Milisenda

Druzy and Bastnasite Optic Character

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

Druzy and Bastnasite Transparency

Similar to their colors, Druzy and Bastnasite 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, Druzy is Opaque while Druzy is Opaque in appearance.