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Linarite
Linarite

Spinel
Spinel



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Linarite
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Spinel

Linarite and Spinel Optical Properties

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1 Optical Properties
1.1 Luster
Sub-Adamantine, Vitreous
Vitreous
1.2 Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
Absent
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 18 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.809-1.859
1.73
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Isometric
1.8 Birefringence
0.050
Not Available
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Linarite and Spinel Optic Character

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

Similar to their colors, Linarite and Spinel 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.