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Richterite
Richterite

Helenite
Helenite



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Richterite
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Helenite

Richterite and Helenite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Strong: pale yellow
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.615Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.021Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Richterite and Helenite Optic Character

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

Richterite and Helenite Transparency

Similar to their colors, Richterite and Helenite 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, Richterite is Not Available while Richterite is Not Available in appearance.