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Williamsite
Williamsite

Simpsonite
Simpsonite



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Williamsite and Simpsonite Optical Properties

1 Optical Properties
1.1 Luster
Waxy, Silky, Resinous, Greasy
Adamantine
1.2 Pleochroism
Not Available
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.530-1.5751.994-2.040
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.046
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Gemmological Tables (2004) More from other references

Williamsite and Simpsonite Optic Character

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

Williamsite and Simpsonite Transparency

Similar to their colors, Williamsite and Simpsonite 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, Williamsite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli while Williamsite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli in appearance.