Lepidocrocite and Boulder Opal Optical Properties

Lepidocrocite

Boulder Opal

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Strong; X = colorless to yellow; Y = orange

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

1.9401.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Transparent

Lepidocrocite and Boulder Opal Optic Character

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

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