Falcons Eye and Proustite Optical Properties

Falcons Eye

Proustite

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1 Optical Properties

1.1 Luster

Not Available

Adamantine

1.2 Pleochroism

Not Available

Moderate; cochineal-red to blood-red

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Gemstones of the world (2001)

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

1.5 Refractive Index

1.534-1.5402.792-3.087

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal

1.8 Birefringence

Not Available0.295-0.296

0 0.296

1.9 Clarity

Gemstones of the world (2001)

OpaqueUlrich Henn and Claudio C. Milisenda

Falcons Eye and Proustite Optic Character

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

Similar to their colors, Falcons Eye 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, Falcons Eye is Gemstones of the world (2001) while Falcons Eye is Gemstones of the world (2001) in appearance.