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Mottramite
Mottramite

Agate
Agate



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Mottramite
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Agate

Mottramite and Agate Optical Properties

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Optical Properties

Luster

Greasy
Vitreous

Pleochroism

Visible X=Y= canary yellow to greenish yellow
Absent

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

2.1701.530-1.543
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.1500.004
0 0.296
👆🏻

Clarity

-
Translucent

Mottramite and Agate Optic Character

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

Similar to their colors, Mottramite and Agate 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.