Transvaal Jade and Hematite Optical Properties

Transvaal Jade

Hematite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

O = brownish red; E = yellowish red

1.3 Dispersion

0.03NA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references

1.5 Refractive Index

Not Available2.690-3.220

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal

1.8 Birefringence

Not Available0.280

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

OpaqueHerve Nicolas Lazzarelli

Transvaal Jade and Hematite Optic Character

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

Similar to their colors, Transvaal Jade and Hematite 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, Transvaal Jade is Gemmological Tables (2004) while Transvaal Jade is Gemmological Tables (2004) in appearance.