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Legrandite
Legrandite

Marcasite
Marcasite



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Legrandite
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Marcasite

Legrandite and Marcasite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Colorless
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.702-1.740Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.060Not Available
Achroite
0 0.296
1.9 Clarity
Gems
Gemmological Tables (2004) More from other references

Legrandite and Marcasite Optic Character

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

Legrandite and Marcasite Transparency

Similar to their colors, Legrandite 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, Legrandite is Gems while Legrandite is Gems in appearance.