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Dallasite
Dallasite

Inderite
Inderite



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Dallasite
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Inderite

Dallasite and Inderite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly, Greasy
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Gemmological Tables (2004)
1.5 Refractive Index
1.540
1.488-1.505
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
1.8 Birefringence
0.008-0.010
0.017
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Dallasite and Inderite Optic Character

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

Dallasite and Inderite Transparency

Similar to their colors, Dallasite 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, Dallasite is Not Available while Dallasite is Not Available in appearance.