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Mottramite
Mottramite

Dendrite crystal
Dendrite crystal



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Mottramite
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Dendrite crystal

Mottramite and Dendrite crystal Optical Properties

Optical Properties

Luster

Greasy
-

Pleochroism

Visible X=Y= canary yellow to greenish yellow
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.170-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.150-9999
0 0.296
👆🏻

Clarity

-
-

Mottramite and Dendrite crystal Optic Character

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

Similar to their colors, Mottramite and Dendrite crystal 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 while Mottramite is in appearance.