Falcons Eye and Bertrandite Optical Properties

Falcons Eye

Bertrandite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

none.

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Gemstones of the world (2001)

TransparentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.534-1.5401.583-1.614

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Gemstones of the world (2001)

TransparentAnthony et al

Falcons Eye and Bertrandite Optic Character

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

Similar to their colors, Falcons Eye and Bertrandite 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.