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Phlogopite
Phlogopite

Chrysocolla
Chrysocolla



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Phlogopite
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Chrysocolla

Phlogopite and Chrysocolla Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous, Greasy
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Opaque
1.5 Refractive Index
1.530-1.5731.460-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.0280-0.04500.023-0.050
Achroite
0 0.296
1.9 Clarity
Not Available
Gemmological Tables (2004) More from other references

Phlogopite and Chrysocolla Optic Character

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

Phlogopite and Chrysocolla Transparency

Similar to their colors, Phlogopite 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, Phlogopite is Not Available while Phlogopite is Not Available in appearance.