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Mexican fire opal
Mexican fire opal

Manganotantalite
Manganotantalite



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Mexican fire opal
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Manganotantalite

Mexican fire opal and Manganotantalite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Sometimes strongArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
Not Available2.19-2.34
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 Available0.015
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentWalter Schumann

Mexican fire opal and Manganotantalite Optic Character

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

Similar to their colors, Mexican fire opal and Manganotantalite 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.