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Villiaumite
Villiaumite

Celestine
Celestine



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Villiaumite
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Celestine

Villiaumite and Celestine Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
Yellow to pink/deep carmineMichael O’Donoghue
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
1.328-1.3321.619-1.635
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.004-0.012
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gems

Villiaumite and Celestine Optic Character

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

Villiaumite and Celestine Transparency

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