Tanzanite and Goldstone Optical Properties

Tanzanite

Goldstone

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Present

Not Available

1.3 Dispersion

0.03NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Not Available

1.5 Refractive Index

1.685-1.7071.530-1.550

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Amorphous

1.8 Birefringence

0.006-0.018Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Not Available

Tanzanite and Goldstone Optic Character

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

Similar to their colors, Tanzanite and Goldstone 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, Tanzanite is Translucent, Transparent and Transparent to translucent while Tanzanite is Translucent, Transparent and Transparent to translucent in appearance.