Hemimorphite and Boulder Opal Optical Properties

Hemimorphite

Boulder Opal

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1 Optical Properties

1.1 Luster

Vitreous, Adamantine, Silky

Not Available

1.2 Pleochroism

AbsentWalter Schumann

1.3 Dispersion

0.02None

0.007 1

1.4 Transparency

Transparent, Translucent

1.5 Refractive Index

1.614-1.6361.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.022Not Available

0 0.296

1.9 Clarity

Transparent

Hemimorphite and Boulder Opal Optic Character

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

Similar to their colors, Hemimorphite 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, Hemimorphite is Translucent and Transparent while Hemimorphite is Translucent and Transparent in appearance.