Pezzotaite and Boulder Opal Optical Properties

Pezzotaite

Boulder Opal

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

1.60-1.611.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Color grading system

Transparent

Pezzotaite and Boulder Opal Optic Character

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

Similar to their colors, Pezzotaite 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, Pezzotaite is Not Available while Pezzotaite is Not Available in appearance.