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Umbalite
Umbalite

Bronzite
Bronzite



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Umbalite
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Bronzite

Umbalite and Bronzite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentGemdat.org, Management Team (2012)
Transparent, Translucent
1.5 Refractive Index
1.730-1.8201.668
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.014
Achroite
0 0.296
1.9 Clarity
TransparentGemdat.org
Transparent

Umbalite and Bronzite Optic Character

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

Umbalite and Bronzite Transparency

Similar to their colors, Umbalite and Bronzite 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, Umbalite is Management Team (2012) and TransparentGemdat.org while Umbalite is Management Team (2012) and TransparentGemdat.org in appearance.