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Aegirine
Aegirine

Dioptase
Dioptase



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Aegirine
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Dioptase

Aegirine and Dioptase Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous
1.2 Pleochroism
X = emerald green
Weak; dark emerald green
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
TranslucentHerve Nicolas Lazzarelli
1.5 Refractive Index
1.720-1.7781.644-1.720
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.037-0.0610.051-0.053
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
TranslucentHerve Nicolas Lazzarelli

Aegirine and Dioptase Optic Character

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

Similar to their colors, Aegirine and Dioptase 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.