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Rubellite
Rubellite

Goethite
Goethite



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Rubellite
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Goethite

Rubellite and Goethite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
VisibleArthur Thomas
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemstones (2009)
1.5 Refractive Index
1.614-1.6662.26-2.398
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.014-0.0400.138
Achroite
0 0.296
1.9 Clarity
Transparent
Gemstones (2009)

Rubellite and Goethite Optic Character

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

Rubellite and Goethite Transparency

Similar to their colors, Rubellite and Goethite 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, Rubellite is Translucent and Transparent while Rubellite is Translucent and Transparent in appearance.