Hardystonite and Tahitian pearl Optical Properties

Hardystonite

Tahitian pearl

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1 Optical Properties

1.1 Luster

Vitreous, Resinous, Greasy

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Handbook of mineralogy (2001)

Not Available

1.5 Refractive Index

1.672Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Handbook of mineralogy (2001)

Not Available

Hardystonite and Tahitian pearl Optic Character

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

Similar to their colors, Hardystonite and Tahitian pearl 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, Hardystonite is Handbook of mineralogy (2001) while Hardystonite is Handbook of mineralogy (2001) in appearance.