Plumbogummite and Transvaal Jade Optical Properties

Plumbogummite

Transvaal Jade

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1 Optical Properties

1.1 Luster

Resinous

Not Available

1.2 Pleochroism

None

Not Available

1.3 Dispersion

NA0.03

0.007 1

1.4 Transparency

Not Available

Gemmological Tables (2004)

1.5 Refractive Index

1.653-1.688Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

TransparentUlrich Henn and Claudio C. Milisenda

Plumbogummite and Transvaal Jade Optic Character

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

Similar to their colors, Plumbogummite and Transvaal Jade 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.