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Phlogopite
Phlogopite

Carletonite
Carletonite



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Phlogopite
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Carletonite

Phlogopite and Carletonite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.530-1.573
1.517-1.521
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
tetragonal
1.8 Birefringence
0.0280-0.0450
0.004
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Phlogopite and Carletonite Optic Character

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

Similar to their colors, Phlogopite and Carletonite 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.