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Mottramite
Mottramite

Grossular
Grossular



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Mottramite
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Grossular

Mottramite and Grossular Optical Properties

1 Optical Properties
1.1 Luster
Greasy
Greasy, Vitreous
1.2 Pleochroism
Visible X=Y= canary yellow to greenish yellow
None
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.1701.730-1.760
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
cubic
1.8 Birefringence
0.1500.020
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Mottramite and Grossular Optic Character

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

Mottramite and Grossular Transparency

Similar to their colors, Mottramite and Grossular 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, Mottramite is Not Available while Mottramite is Not Available in appearance.