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Howlite
Howlite

Dolomite
Dolomite



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Howlite
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Dolomite

Howlite and Dolomite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
NilArthur Thomas
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
1.5 Refractive Index
1.583-1.6081.498-1.681
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.0190.179-0.181
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Howlite and Dolomite Optic Character

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

Howlite and Dolomite Transparency

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