Danburite and Moss Agate Optical Properties

Danburite

Moss Agate

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1 Optical Properties

1.1 Luster

Vitreous, Greasy

Not Available

1.2 Pleochroism

Weak: pale yellow yellow

AbsentWalter Schumann

1.3 Dispersion

0.02None

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

TranslucentWalter Schumann, Gemstones of the world (2001)

1.5 Refractive Index

1.627-1.6391.530-1.540

1 3.25

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.0060.004

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TranslucentWalter Schumann

Danburite and Moss Agate Optic Character

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

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Danburite and Moss Agate Transparency

Similar to their colors, Danburite 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, Danburite is Gemmological Tables (2004) More from other references while Danburite is Gemmological Tables (2004) More from other references in appearance.