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Dolomite
Dolomite

Amblygonite
Amblygonite



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Dolomite
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Amblygonite

Dolomite and Amblygonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Pearly
1.2 Pleochroism
NilArthur Thomas
weak to none
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.498-1.6811.578-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Trigonal
Triclinic
1.8 Birefringence
0.179-0.1810.020-0.030
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Dolomite and Amblygonite Optic Character

Dolomite and Amblygonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Dolomite and Amblygonite 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 Amblygonite 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. Amblygonite has Biaxial/+ character.

Dolomite and Amblygonite Transparency

Similar to their colors, Dolomite and Amblygonite 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.