Hiddenite and Hollandite Optical Properties

Hiddenite

Hollandite

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli

Weak.

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.657-1.681Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

1.8 Birefringence

0.014-0.016Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Not Available

Hiddenite and Hollandite Optic Character

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

Similar to their colors, Hiddenite and Hollandite 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, Hiddenite is Transparent while Hiddenite is Transparent in appearance.