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Plumbogummite
Plumbogummite

Sunstone
Sunstone



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Plumbogummite
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Sunstone

Plumbogummite and Sunstone Optical Properties

Optical Properties

Luster

Resinous
Vitreous

Pleochroism

None
Weak or absentWalter Schumann

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.653-1.6881.53-1.55
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Triclinic

Birefringence

-99990.007-0.010
0 0.296
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Clarity

-
Transparent to translucent

Plumbogummite and Sunstone Optic Character

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

Similar to their colors, Plumbogummite and Sunstone 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 while Plumbogummite is in appearance.