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Piemontite
Piemontite

Musgravite
Musgravite



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Piemontite
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Musgravite

Piemontite and Musgravite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
visible
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004)
1.5 Refractive Index
1.725-1.7561.719-1.739
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.025-0.0760.014-0.016
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Piemontite and Musgravite Optic Character

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

Piemontite and Musgravite Transparency

Similar to their colors, Piemontite and Musgravite 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, Piemontite is Not Available while Piemontite is Not Available in appearance.