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Linarite
Linarite

Marcasite
Marcasite



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Linarite
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Marcasite

Linarite and Marcasite Optical Properties

1 Optical Properties
1.1 Luster
Sub-Adamantine, Vitreous
Not Available
1.2 Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.809-1.859Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.050Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004) More from other references

Linarite and Marcasite Optic Character

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

Linarite and Marcasite Transparency

Similar to their colors, Linarite 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, Linarite is Transparent while Linarite is Transparent in appearance.