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Musgravite
Musgravite

Phlogopite
Phlogopite



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Musgravite
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Phlogopite

Musgravite and Phlogopite Optical Properties

2 Optical Properties
2.1 Luster
Vitreous
Pearly
2.2 Pleochroism
Not Available
Not Available
2.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
2.7 Transparency
Gemmological Tables (2004)
Not Available
2.8 Refractive Index
1.719-1.7391.530-1.573
Agate Opal
1 3.25
2.9 Optic Character
Not Available
Not Available
2.10 Crystal System
Trigonal
monoclinic
2.11 Birefringence
0.014-0.0160.0280-0.0450
Achroite
0 0.296
2.12 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Musgravite and Phlogopite Optic Character

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

Musgravite and Phlogopite Transparency

Similar to their colors, Musgravite and Phlogopite 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, Musgravite is Gemmological Tables (2004) while Musgravite is Gemmological Tables (2004) in appearance.