×

Aegirine
Aegirine

Helenite
Helenite



ADD
Compare
X
Aegirine
X
Helenite

Aegirine and Helenite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous, Resinous
Not Available
1.2 Pleochroism
X = emerald green
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.720-1.778Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.037-0.061Not Available
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Not Available

Aegirine and Helenite Optic Character

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

Similar to their colors, Aegirine and Helenite 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.