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Adamite
Adamite

Ludlamite
Ludlamite



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Adamite
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Ludlamite

Adamite and Ludlamite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.060.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.708-1.7221.653-1.693
1 3.25
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Optic Character

Biaxial/+
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.031-0.0500.038-0.044
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Adamite and Ludlamite Optic Character

Adamite and Ludlamite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Adamite 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 Adamite 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. Adamite has Biaxial/+ character.

Adamite and Ludlamite Transparency

Similar to their colors, Adamite 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, Adamite is Transparent while Adamite is Transparent in appearance.