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Scolecite
Scolecite

Villiaumite
Villiaumite



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Scolecite
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Villiaumite

Scolecite and Villiaumite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky, Fibrous
Not Available
1.2 Pleochroism
X: colourless Y: colourless Z: colourless
Yellow to pink/deep carmineMichael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.512-1.5231.328-1.332
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.011Not Available
Achroite
0 0.296
1.5 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Scolecite and Villiaumite Optic Character

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

Scolecite and Villiaumite Transparency

Similar to their colors, Scolecite and Villiaumite 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, Scolecite is Translucent and Transparent while Scolecite is Translucent and Transparent in appearance.