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Allanite
Allanite

Rhodochrosite
Rhodochrosite



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Allanite
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Rhodochrosite

Allanite and Rhodochrosite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Opaque, Transparent to nearly opaque
1.5 Refractive Index
11.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.013-0.0360.208-0.220
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent to nearly opaque

Allanite and Rhodochrosite Optic Character

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

Allanite and Rhodochrosite Transparency

Similar to their colors, Allanite and Rhodochrosite 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, Allanite is Not Available while Allanite is Not Available in appearance.