Moss Agate and Pumpellyite Optical Properties

Moss Agate

Pumpellyite

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1 Optical Properties

1.1 Luster

Not Available

Fibrous

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

Gemmological Tables (2004)

1.5 Refractive Index

1.530-1.5401.674-1.764

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

0.0040.014-0.016

0 0.296

1.9 Clarity

TranslucentWalter Schumann

OpaqueUlrich Henn and Claudio C. Milisenda

Moss Agate and Pumpellyite Optic Character

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

Similar to their colors, Moss Agate and Pumpellyite 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, Moss Agate is Gemstones of the world (2001) and TranslucentWalter Schumann while Moss Agate is Gemstones of the world (2001) and TranslucentWalter Schumann in appearance.