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Agate Opal
Agate Opal

Montebrasite
Montebrasite



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Agate Opal
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Montebrasite

Agate Opal and Montebrasite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.37-1.521.578-1.646
Amber
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.020-0.030
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentWalter Schumann

Agate Opal and Montebrasite Optic Character

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

Agate Opal and Montebrasite Transparency

Similar to their colors, Agate Opal and Montebrasite 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, Agate Opal is Translucent while Agate Opal is Translucent in appearance.