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Piemontite
Piemontite

Aegirine
Aegirine



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Piemontite
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Aegirine

Piemontite and Aegirine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Resinous
1.2 Pleochroism
visible
X = emerald green
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.725-1.7561.720-1.778
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.025-0.0760.037-0.061
Achroite
0 0.296
1.9 Clarity
Not Available
Gemmological Tables (2004) More from other references

Piemontite and Aegirine Optic Character

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

Similar to their colors, Piemontite and Aegirine 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.