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Aegirine
Aegirine

Crocoite
Crocoite



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Aegirine
X
Crocoite

Aegirine and Crocoite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Resinous
Adamantine
1.2 Pleochroism
X = emerald green
Distinctly trichroic
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.720-1.7782.31-2.66
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
1.8 Birefringence
0.037-0.061Not Available
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Aegirine and Crocoite Optic Character

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

Aegirine and Crocoite Transparency

Similar to their colors, Aegirine and Crocoite 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, Aegirine is Gemmological Tables (2004) More from other references while Aegirine is Gemmological Tables (2004) More from other references in appearance.