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Baddeleyite
Baddeleyite

Purpurite
Purpurite



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Baddeleyite
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Purpurite

Baddeleyite and Purpurite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
DistinctArthur Thomas
StrongArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
2.13-2.201.85-1.92
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c
Orthorhombic
1.8 Birefringence
0.070.070
Achroite
0 0.296
1.9 Clarity
Transparent
TranslucentWalter Schumann

Baddeleyite and Purpurite Optic Character

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

Similar to their colors, Baddeleyite and Purpurite 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.