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Plumbogummite
Plumbogummite

Cobaltite
Cobaltite



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Plumbogummite
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Cobaltite

Plumbogummite and Cobaltite Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Not Available
1.2 Pleochroism
None
Very weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gems
1.5 Refractive Index
1.653-1.688Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
Gems

Plumbogummite and Cobaltite Optic Character

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

Similar to their colors, Plumbogummite and Cobaltite 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.