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Ammolite
Ammolite

Inderite
Inderite



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Ammolite
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Inderite

Ammolite and Inderite Optical Properties

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1 Optical Properties
1.1 Luster
Silky, Vitreous
Vitreous, Pearly, Greasy
1.2 Pleochroism
None
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004)
1.5 Refractive Index
1.520-1.6701.488-1.505
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
1.8 Birefringence
0.135-0.1450.017
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Ammolite and Inderite Optic Character

Ammolite and Inderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Ammolite and Inderite 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 Ammolite and Inderite 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. Inderite has Biaxial/+ character.

Ammolite and Inderite Transparency

Similar to their colors, Ammolite and Inderite 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, Ammolite is Not Available while Ammolite is Not Available in appearance.