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Realgar
Realgar

Axinite
Axinite



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Realgar
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Axinite

Realgar and Axinite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Nearly colorless to pale golden yellowAnthony et al
Strong
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.538-2.7041.656-1.704
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.1660.009-0.012
Achroite
0 0.296
1.9 Clarity
Gems
TransparentUlrich Henn and Claudio C. Milisenda

Realgar and Axinite Optic Character

Realgar and Axinite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Realgar and Axinite 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 Realgar and Axinite 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. Axinite has Biaxial/+ character.

Realgar and Axinite Transparency

Similar to their colors, Realgar and Axinite 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, Realgar is Gems while Realgar is Gems in appearance.