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Dumortierite
Dumortierite

Scolecite
Scolecite



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Dumortierite
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Scolecite

Dumortierite and Scolecite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Silky, Fibrous
1.2 Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
X: colourless Y: colourless Z: colourless
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent to opaque
Transparent, Translucent
1.5 Refractive Index
1.669-1.7231.512-1.523
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.011-0.0370.011
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Dumortierite and Scolecite Optic Character

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

Dumortierite and Scolecite Transparency

Similar to their colors, Dumortierite and Scolecite 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, Dumortierite is Translucent and Translucent to opaque while Dumortierite is Translucent and Translucent to opaque in appearance.