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Aegirine
Aegirine

Fire Opal
Fire Opal



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Aegirine
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Fire Opal

Aegirine and Fire Opal Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Not Available
1.2 Pleochroism
X = emerald green
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
1.5 Refractive Index
1.720-1.7781.370-1.470
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Amorphous
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 Fire Opal Optic Character

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

Similar to their colors, Aegirine and Fire Opal 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.