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Sinhalite
Sinhalite

Azurmalachite
Azurmalachite



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Sinhalite
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Azurmalachite

Sinhalite and Azurmalachite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Silky
1.2 Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
AbsentWalter Schumann
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent
1.5 Refractive Index
1.665-1.7121.655-1.909
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.036-0.0420.108-0.254
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Sinhalite and Azurmalachite Optic Character

Sinhalite and Azurmalachite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sinhalite and Azurmalachite 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 Sinhalite and Azurmalachite 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. Azurmalachite has Biaxial/+ character.

Sinhalite and Azurmalachite Transparency

Similar to their colors, Sinhalite and Azurmalachite 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, Sinhalite is Gemmological Tables (2004) More from other references while Sinhalite is Gemmological Tables (2004) More from other references in appearance.