Chabazite and Proustite Optical Properties

Chabazite

Proustite

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1 Optical Properties

1.1 Luster

Vitreous

Adamantine

1.2 Pleochroism

NilArthur Thomas

Moderate; cochineal-red to blood-red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

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

1.5 Refractive Index

1.478-1.4902.792-3.087

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

1.8 Birefringence

0.005-0.0080.295-0.296

0 0.296

1.9 Clarity

Transparent

OpaqueUlrich Henn and Claudio C. Milisenda

Chabazite and Proustite Optic Character

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

Similar to their colors, Chabazite and Proustite 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, Chabazite is Transparent while Chabazite is Transparent in appearance.