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Childrenite
Childrenite

Allanite
Allanite



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Childrenite
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Allanite

Childrenite and Allanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Not Available
1.2 Pleochroism
visible
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.639-1.6721
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.027-0.0420.013-0.036
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Childrenite and Allanite Optic Character

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

Childrenite and Allanite Transparency

Similar to their colors, Childrenite and Allanite 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, Childrenite is Transparent while Childrenite is Transparent in appearance.