Plumbogummite and Erythrite Optical Properties

Plumbogummite

Erythrite

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1 Optical Properties

1.1 Luster

Resinous

Subadamantine, Pearly

1.2 Pleochroism

None

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.653-1.6881.626-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

monoclinic

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Plumbogummite and Erythrite Optic Character

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

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Plumbogummite and Erythrite Transparency

Similar to their colors, Plumbogummite and Erythrite 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.