Proustite and Baddeleyite Optical Properties

Proustite

Baddeleyite

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1 Optical Properties

1.1 Luster

Adamantine

1.2 Pleochroism

Moderate; cochineal-red to blood-red

DistinctArthur Thomas

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references

Transparent

1.5 Refractive Index

2.792-3.0872.13-2.20

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

0.295-0.2960.07

0 0.296

1.9 Clarity

OpaqueUlrich Henn and Claudio C. Milisenda

Transparent

Proustite and Baddeleyite Optic Character

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

Similar to their colors, Proustite 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, Proustite is Gemmological Tables (2004) Rarely transparentMore from other references and OpaqueUlrich Henn and Claudio C. Milisenda while Proustite is Gemmological Tables (2004) Rarely transparentMore from other references and OpaqueUlrich Henn and Claudio C. Milisenda in appearance.