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Baddeleyite
Baddeleyite

Alunite
Alunite



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Baddeleyite
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Alunite

Baddeleyite and Alunite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Adamantine
DistinctArthur Thomas
0.04
Transparent
2.13-2.20
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c
0.07
Transparent
 
Vitreous, Pearly
-
0.02
-
1.572
-
Trigonal
0.020
-

Baddeleyite and Alunite Optic Character

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

Baddeleyite and Alunite Transparency

Similar to their colors, Baddeleyite and Alunite 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, Baddeleyite is while Baddeleyite is in appearance.