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Crocoite
Crocoite

Aegirine
Aegirine



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Crocoite
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Aegirine

Crocoite and Aegirine Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Resinous
1.2 Pleochroism
Distinctly trichroic
X = emerald green
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.31-2.661.720-1.778
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
monoclinic
1.8 Birefringence
Not Available0.037-0.061
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004) More from other references

Crocoite and Aegirine Optic Character

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

Crocoite and Aegirine Transparency

Similar to their colors, Crocoite 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, Crocoite is Transparent while Crocoite is Transparent in appearance.