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Emerald
Emerald

Titanite Sphene
Titanite Sphene



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Titanite Sphene

Emerald and Titanite Sphene Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Strong dichroism: yellow green Lazzarelli
Green stones strong trichroism: typically colorless greenish yellow brownish to yellow;
1.3 Dispersion
Albite Optical ..
0.01
Rank: 26 (Overall)
0.05
Rank: 9 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
1.5 Refractive Index
1.565-1.602
1.843-2.110
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
0.0040-0.0070
0.100-0.192
1.9 Clarity
Color grading system
Transparent

Emerald and Titanite Sphene Optic Character

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

Emerald and Titanite Sphene Transparency

Similar to their colors, Emerald and Titanite Sphene 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, Emerald is Translucent, Transparent and Transparent to translucent while Emerald is Translucent, Transparent and Transparent to translucent in appearance.