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Agrellite
Agrellite

Rubellite
Rubellite



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Agrellite
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Rubellite

Agrellite and Rubellite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Not Available
1.2 Pleochroism
colorless.
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.5671.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.0140.014-0.040
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Agrellite and Rubellite Optic Character

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

Agrellite and Rubellite Transparency

Similar to their colors, Agrellite and Rubellite 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, Agrellite is Not Available while Agrellite is Not Available in appearance.