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Dolomite
Dolomite

Dumortierite
Dumortierite



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Dolomite
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Dumortierite

Dolomite and Dumortierite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
NilArthur Thomas
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent, Translucent to opaque
1.5 Refractive Index
1.498-1.6811.669-1.723
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.179-0.1810.011-0.037
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Dolomite and Dumortierite Optic Character

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

Dolomite and Dumortierite Transparency

Similar to their colors, Dolomite and Dumortierite 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, Dolomite is Translucent and Transparent while Dolomite is Translucent and Transparent in appearance.