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Pezzotaite
Pezzotaite

Nuummite
Nuummite



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Pezzotaite
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Nuummite

Pezzotaite and Nuummite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.60-1.611.635-1.663
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
Not Available0.0170-0.230
Achroite
0 0.296
1.9 Clarity
Color grading system
Gemmological Tables (2004) More from other references

Pezzotaite and Nuummite Optic Character

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

Pezzotaite and Nuummite Transparency

Similar to their colors, Pezzotaite and Nuummite 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, Pezzotaite is Not Available while Pezzotaite is Not Available in appearance.