Hematite and Jade Optical Properties

Hematite

Jade

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

O = brownish red; E = yellowish red

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

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

Translucent, Translucent to opaque

1.5 Refractive Index

2.690-3.2201.600-1.688

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

monoclinic

1.8 Birefringence

0.2800.020-0.027

0 0.296

1.9 Clarity

OpaqueHerve Nicolas Lazzarelli

Translucent

Hematite and Jade Optic Character

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

Similar to their colors, Hematite and 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, Hematite is Blue Chart Gem Identification (2010) More from other references and OpaqueHerve Nicolas Lazzarelli while Hematite is Blue Chart Gem Identification (2010) More from other references and OpaqueHerve Nicolas Lazzarelli in appearance.