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Baddeleyite
Baddeleyite

Anthophyllite
Anthophyllite



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Baddeleyite
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Anthophyllite

Baddeleyite and Anthophyllite Optical Properties

Optical Properties

Luster

Adamantine
Vitreous, Pearly

Pleochroism

DistinctArthur Thomas
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

2.13-2.201.603-1.690
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

Birefringence

0.07-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Baddeleyite and Anthophyllite Optic Character

Baddeleyite and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Baddeleyite and Anthophyllite 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 Baddeleyite and Anthophyllite 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. Anthophyllite has Biaxial/+ character.

Baddeleyite and Anthophyllite Transparency

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