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Tanzanite
Tanzanite

Binghamite
Binghamite



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Tanzanite
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Binghamite

Tanzanite and Binghamite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Waxy
1.2 Pleochroism
Present
Not Available
1.3 Dispersion
0.03NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Translucent
1.5 Refractive Index
1.685-1.7071.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.006-0.0180.003-0.009
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Tanzanite and Binghamite Optic Character

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

Tanzanite and Binghamite Transparency

Similar to their colors, Tanzanite and Binghamite 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.