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Mottramite
Mottramite

Pectolite
Pectolite



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Mottramite
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Pectolite

Mottramite and Pectolite Optical Properties

Optical Properties

Luster

Greasy
Silky

Pleochroism

Visible X=Y= canary yellow to greenish yellow
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

2.1701.595-1.645
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Triclinic

Birefringence

0.1500.028-0.038
0 0.296
👆🏻

Clarity

-
Transparent

Mottramite and Pectolite Optic Character

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

Similar to their colors, Mottramite and Pectolite 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.