Thulite and Moss Agate Optical Properties

Thulite

Moss Agate

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Present

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Opaque, Translucent, Opaque . May be translucent in thin backlit sections.

TranslucentWalter Schumann, Gemstones of the world (2001)

1.5 Refractive Index

1.6951.530-1.540

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.006-0.0180.004

0 0.296

1.9 Clarity

OpaqueHerve Nicolas Lazzarelli

TranslucentWalter Schumann

Thulite and Moss Agate Optic Character

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

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Thulite and Moss Agate Transparency

Similar to their colors, Thulite and Moss Agate 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, Thulite is Opaque, Opaque . May be translucent in thin backlit sections. and Translucent while Thulite is Opaque, Opaque . May be translucent in thin backlit sections. and Translucent in appearance.