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Plumbogummite
Plumbogummite

Amblygonite
Amblygonite



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Plumbogummite
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Amblygonite

Plumbogummite and Amblygonite Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Vitreous, Pearly
1.2 Pleochroism
None
weak to none
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.653-1.6881.578-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Trigonal
Triclinic
1.8 Birefringence
Not Available0.020-0.030
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Plumbogummite and Amblygonite Optic Character

Plumbogummite and Amblygonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Plumbogummite and Amblygonite 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 Amblygonite 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. Amblygonite has Biaxial/+ character.

Plumbogummite and Amblygonite Transparency

Similar to their colors, Plumbogummite and Amblygonite 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.