Dioptase and Baddeleyite Optical Properties

Dioptase

Baddeleyite

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1 Optical Properties

1.1 Luster

Vitreous

Adamantine

1.2 Pleochroism

Weak; dark emerald green

DistinctArthur Thomas

1.3 Dispersion

0.04NA

0.007 1

1.4 Transparency

TranslucentHerve Nicolas Lazzarelli

Transparent

1.5 Refractive Index

1.644-1.7202.13-2.20

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

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

1.8 Birefringence

0.051-0.0530.07

0 0.296

1.9 Clarity

TranslucentHerve Nicolas Lazzarelli

Transparent

Dioptase and Baddeleyite Optic Character

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

Similar to their colors, Dioptase and Baddeleyite 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, Dioptase is TranslucentHerve Nicolas Lazzarelli while Dioptase is TranslucentHerve Nicolas Lazzarelli in appearance.