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Umbalite
Umbalite

Turquoise
Turquoise



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Umbalite
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Turquoise

Umbalite and Turquoise Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Waxy
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentGemdat.org, Management Team (2012)
Translucent, Opaque
1.5 Refractive Index
1.730-1.8201.610-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
Not Available0.040
Achroite
0 0.296
1.9 Clarity
TransparentGemdat.org
Translucent

Umbalite and Turquoise Optic Character

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

Similar to their colors, Umbalite and Turquoise 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.