×

Inderite
Inderite

Dumortierite
Dumortierite



ADD
Compare
X
Inderite
X
Dumortierite

Inderite and Dumortierite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly, Greasy
Vitreous
1.2 Pleochroism
Not Available
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Translucent, Translucent to opaque
1.5 Refractive Index
1.488-1.5051.669-1.723
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Orthorhombic
1.8 Birefringence
0.0170.011-0.037
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Inderite and Dumortierite Optic Character

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

Inderite and Dumortierite Transparency

Similar to their colors, Inderite and Dumortierite 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, Inderite is Gemmological Tables (2004) while Inderite is Gemmological Tables (2004) in appearance.