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Lazurite
Lazurite

Hodgkinsonite
Hodgkinsonite



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Lazurite
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Hodgkinsonite

Lazurite and Hodgkinsonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Lavender and pale purple for transparent pink stones.Michael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gems
1.5 Refractive Index
1.5001.720-1.746
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
monoclinic
1.8 Birefringence
Not Available0.026
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Gems

Lazurite and Hodgkinsonite Optic Character

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

Lazurite and Hodgkinsonite Transparency

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