Moss Agate and Proustite Optical Properties

Moss Agate

Proustite

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1 Optical Properties

1.1 Luster

Not Available

Adamantine

1.2 Pleochroism

AbsentWalter Schumann

Moderate; cochineal-red to blood-red

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references

1.5 Refractive Index

1.530-1.5402.792-3.087

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal

1.8 Birefringence

0.0040.295-0.296

0 0.296

1.9 Clarity

TranslucentWalter Schumann

OpaqueUlrich Henn and Claudio C. Milisenda

Moss Agate and Proustite Optic Character

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

Similar to their colors, Moss Agate and Proustite 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.