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Erythrite
Erythrite

Tremolite
Tremolite



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X
Erythrite
X
Tremolite

Erythrite and Tremolite Optical Properties

Optical Properties

Luster

Subadamantine, Pearly
Vitreous, Silky

Pleochroism

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.626-1.6291.599-1.637
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

-99990.023-0.028
0 0.296
👆🏻

Clarity

-
Transparent

Erythrite and Tremolite Optic Character

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

Erythrite and Tremolite Transparency

Similar to their colors, Erythrite and Tremolite 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, Erythrite is while Erythrite is in appearance.