Baddeleyite and Sunstone Optical Properties

Baddeleyite

Sunstone

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

DistinctArthur Thomas

Weak or absentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

2.13-2.201.53-1.55

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

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

Triclinic

1.8 Birefringence

0.070.007-0.010

0 0.296

1.9 Clarity

Transparent

Transparent to translucent

Baddeleyite and Sunstone Optic Character

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

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Baddeleyite and Sunstone Transparency

Similar to their colors, Baddeleyite and Sunstone 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.