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Poudretteite
Poudretteite

Celestine
Celestine



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Poudretteite
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Celestine

Poudretteite and Celestine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Colorless
Weakly trichroiC
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gems
1.5 Refractive Index
1.511-1.5321.619-1.635
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
0.0210.004-0.012
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gems

Poudretteite and Celestine Optic Character

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

Similar to their colors, Poudretteite and Celestine 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.