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Elbaite
Elbaite

Marcasite
Marcasite



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Elbaite
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Marcasite

Elbaite and Marcasite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Pale green
NilArthur Thomas
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
2.5 Transparency
Transparent
Gemmological Tables (2004) More from other references
2.7 Refractive Index
1.614-1.666Not Available
Agate Opal
1 3.25
2.10 Optic Character
Not Available
Not Available
2.11 Crystal System
Trigonal
Not Available
2.12 Birefringence
0.014-0.032Not Available
Achroite
0 0.296
3.4 Clarity
Transparent
Gemmological Tables (2004) More from other references

Elbaite and Marcasite Optic Character

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

Elbaite and Marcasite Transparency

Similar to their colors, Elbaite and Marcasite 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, Elbaite is Transparent while Elbaite is Transparent in appearance.