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Simpsonite
Simpsonite

Hurlbutite
Hurlbutite



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Simpsonite
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Hurlbutite

Simpsonite and Hurlbutite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.994-2.0401.595-1.604
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
1.8 Birefringence
0.0460.009
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Simpsonite and Hurlbutite Optic Character

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

Simpsonite and Hurlbutite Transparency

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