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Plumbogummite
Plumbogummite

Simpsonite
Simpsonite



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Plumbogummite
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Simpsonite

Plumbogummite and Simpsonite Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Adamantine
1.2 Pleochroism
None
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.653-1.6881.994-2.040
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
Not Available0.046
Achroite
0 0.296
1.9 Clarity
Not Available
Gemmological Tables (2004) More from other references

Plumbogummite and Simpsonite Optic Character

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

Plumbogummite and Simpsonite Transparency

Similar to their colors, Plumbogummite 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, Plumbogummite is Not Available while Plumbogummite is Not Available in appearance.