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Mottramite
Mottramite

Chlorapatite
Chlorapatite



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Mottramite
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Chlorapatite

Mottramite and Chlorapatite Optical Properties

Optical Properties

Luster

Greasy
-

Pleochroism

Visible X=Y= canary yellow to greenish yellow
Weak to moderate; in pale colors.

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

2.1701.665-1.667
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.150-9999
0 0.296
👆🏻

Clarity

-
Transparent

Mottramite and Chlorapatite Optic Character

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

Similar to their colors, Mottramite and Chlorapatite 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.