Moss Agate and Mottramite Optical Properties

Moss Agate

Mottramite

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1 Optical Properties

1.1 Luster

Not Available

Greasy

1.2 Pleochroism

AbsentWalter Schumann

Visible X=Y= canary yellow to greenish yellow

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

Not Available

1.5 Refractive Index

1.530-1.5402.170

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

0.0040.150

0 0.296

1.9 Clarity

TranslucentWalter Schumann

Not Available

Moss Agate and Mottramite Optic Character

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

Similar to their colors, Moss Agate and Mottramite 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.