Wulfenite and Hurlbutite Optical Properties

Wulfenite

Hurlbutite

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1 Optical Properties

1.1 Luster

Adamantine, Resinous

Vitreous

1.2 Pleochroism

Weak

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

2.280-2.4051.595-1.604

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

1.8 Birefringence

0.1220.009

0 0.296

1.9 Clarity

Transparent

Wulfenite and Hurlbutite Optic Character

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

Similar to their colors, Wulfenite and Hurlbutite 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, Wulfenite is Transparent while Wulfenite is Transparent in appearance.