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Satin Spar
Satin Spar

Danburite
Danburite



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Satin Spar
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Danburite

Satin Spar and Danburite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Vitreous, Greasy
1.2 Pleochroism
Not Available
Weak: pale yellow yellow
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available1.627-1.639
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.006
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Satin Spar and Danburite Optic Character

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

Satin Spar and Danburite Transparency

Similar to their colors, Satin Spar 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, Satin Spar is Not Available while Satin Spar is Not Available in appearance.