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Mexican fire opal
Mexican fire opal

Titanite Sphene
Titanite Sphene



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Mexican fire opal
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Titanite Sphene

Mexican fire opal and Titanite Sphene Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Green stones strong trichroism: typically colorless greenish yellow brownish to yellow;
1.3 Dispersion
NA0.05
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
Not Available1.843-2.110
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.100-0.192
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Mexican fire opal and Titanite Sphene Optic Character

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

Mexican fire opal and Titanite Sphene Transparency

Similar to their colors, Mexican fire opal 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, Mexican fire opal is Not Available while Mexican fire opal is Not Available in appearance.