Moss Agate and Danburite Optical Properties

Moss Agate

Danburite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Greasy

1.2 Pleochroism

AbsentWalter Schumann

Weak: pale yellow yellow

1.3 Dispersion

None0.02

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.530-1.5401.627-1.639

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

0.0040.006

0 0.296

1.9 Clarity

TranslucentWalter Schumann

TransparentUlrich Henn and Claudio C. Milisenda

Moss Agate and Danburite Optic Character

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

Similar to their colors, Moss Agate and Danburite 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.