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Scolecite
Scolecite

Ludlamite
Ludlamite



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Scolecite
X
Ludlamite

Scolecite and Ludlamite Optical Properties

Optical Properties

Luster

Vitreous, Silky
Vitreous, Pearly

Pleochroism

X: colourless Y: colourless Z: colourless
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.512-1.5231.653-1.693
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.0110.038-0.044
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Scolecite and Ludlamite Optic Character

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

Scolecite and Ludlamite Transparency

Similar to their colors, Scolecite and Ludlamite 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, Scolecite is Transparent and Translucent while Scolecite is Transparent and Translucent in appearance.