Demantoid and Transvaal Jade Optical Properties

Demantoid

Transvaal Jade

Add ⊕

1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

None

Not Available

1.3 Dispersion

NA0.03

0.007 1

1.4 Transparency

Gemmological Tables (2004)

1.5 Refractive Index

1.880-1.890Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Demantoid and Transvaal Jade Optic Character

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

Compare Green Gemstones

Demantoid Vs Faustite

Demantoid Vs Emerald

Demantoid Vs Euclase

Demantoid and Transvaal Jade Transparency

Similar to their colors, Demantoid 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, Demantoid is Gemmological Tables (2004) while Demantoid is Gemmological Tables (2004) in appearance.