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Phlogopite
Phlogopite

Rhodolite
Rhodolite



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Phlogopite
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Rhodolite

Phlogopite and Rhodolite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Greasy, Vitreous
1.2 Pleochroism
Not Available
None
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004)
1.5 Refractive Index
1.530-1.5731.760
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
cubic
1.8 Birefringence
0.0280-0.04500.010-0.014
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Phlogopite and Rhodolite Optic Character

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

Similar to their colors, Phlogopite and Rhodolite 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.