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Linarite
Linarite

Actinolite
Actinolite



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Linarite
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Actinolite

Linarite and Actinolite Optical Properties

1 Optical Properties
1.1 Luster
Sub-Adamantine, Vitreous
Vitreous
1.2 Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
moderate
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.809-1.8591.613-1.628
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.0500.0250-0.0270
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Linarite and Actinolite Optic Character

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

Similar to their colors, Linarite and Actinolite 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.