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Poudretteite
Poudretteite

Glaucophane
Glaucophane



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Poudretteite
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Glaucophane

Poudretteite and Glaucophane Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Colorless
Strong
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.511-1.5321.606-1.637
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.021Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Poudretteite and Glaucophane Optic Character

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

Poudretteite and Glaucophane Transparency

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