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Faustite
Faustite

Simpsonite
Simpsonite



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Faustite
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Simpsonite

Faustite and Simpsonite Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Adamantine
1.2 Pleochroism
Not Available
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.6121.994-2.040
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
Not Available
1.8 Birefringence
Not Available0.046
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004) More from other references

Faustite and Simpsonite Optic Character

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

Faustite and Simpsonite Transparency

Similar to their colors, Faustite 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, Faustite is Translucent while Faustite is Translucent in appearance.