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Baddeleyite
Baddeleyite

Astrophyllite
Astrophyllite



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Baddeleyite
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Astrophyllite

Baddeleyite and Astrophyllite Optical Properties

Optical Properties

Luster

Adamantine
Greasy, Pearly

Pleochroism

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

Dispersion

0.040.12
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

2.13-2.201.678-1.758
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.070.050
0 0.296
👆🏻

Clarity

Transparent
Translucent

Baddeleyite and Astrophyllite Optic Character

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

Similar to their colors, Baddeleyite and Astrophyllite 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.