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Umbalite
Umbalite

Moldavite
Moldavite



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Umbalite
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Moldavite

Umbalite and Moldavite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Absent
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentGemdat.org, Management Team (2012)
Transparent, Translucent
1.5 Refractive Index
1.730-1.8201.48-1.54
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Amorphous
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
TransparentGemdat.org
Transparent

Umbalite and Moldavite Optic Character

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

Similar to their colors, Umbalite and Moldavite 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.