Chalcopyrite and Boulder Opal Optical Properties

Chalcopyrite

Boulder Opal

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Handbook of mineralogy (2001)

Transparent, Translucent

1.5 Refractive Index

Not Available1.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Handbook of mineralogy (2001)

Transparent

Chalcopyrite and Boulder Opal Optic Character

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

Similar to their colors, Chalcopyrite and Boulder Opal 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, Chalcopyrite is Handbook of mineralogy (2001) while Chalcopyrite is Handbook of mineralogy (2001) in appearance.