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Danburite
Danburite

Clinochlore
Clinochlore



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Danburite
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Clinochlore

Danburite and Clinochlore Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Pearly, Greasy
1.2 Pleochroism
Weak: pale yellow yellow
Distinct: light yellow-green to light bluE
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.627-1.6391.571-1.597
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Biaxial/+
1.7 Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
1.8 Birefringence
0.006Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Danburite and Clinochlore Optic Character

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

Danburite and Clinochlore Transparency

Similar to their colors, Danburite and Clinochlore 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.