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Herderite
Herderite

Emerald
Emerald



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Herderite
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Emerald

Herderite and Emerald Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Strong dichroism: yellow green Lazzarelli
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.587-1.6421.565-1.602
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
monoclinic
Hexagonal
1.8 Birefringence
0.028-0.0320.0040-0.0070
Achroite
0 0.296
1.9 Clarity
Transparent
Color grading system

Herderite and Emerald Optic Character

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

Herderite and Emerald Transparency

Similar to their colors, Herderite and Emerald 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, Herderite is Transparent while Herderite is Transparent in appearance.