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Nuummite
Nuummite

Chrysocolla
Chrysocolla



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Nuummite
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Chrysocolla

Nuummite and Chrysocolla Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Opaque
1.5 Refractive Index
1.635-1.6631.460-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.0170-0.2300.023-0.050
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references

Nuummite and Chrysocolla Optic Character

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

Nuummite and Chrysocolla Transparency

Similar to their colors, Nuummite and Chrysocolla 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, Nuummite is Gemmological Tables (2004) More from other references while Nuummite is Gemmological Tables (2004) More from other references in appearance.