Fibrolite and Hureaulite Optical Properties

Fibrolite

Hureaulite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Greasy

1.2 Pleochroism

DistinctArthur Thomas

Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.658-1.6781.647-1.667

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

1.8 Birefringence

Not Available0.012

0 0.296

1.9 Clarity

Transparent

Fibrolite and Hureaulite Optic Character

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

Similar to their colors, Fibrolite and Hureaulite 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, Fibrolite is Transparent while Fibrolite is Transparent in appearance.