Vanadinite and Hematite Optical Properties

Vanadinite

Hematite

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1 Optical Properties

1.1 Luster

Resinous

Not Available

1.2 Pleochroism

Not Available

O = brownish red; E = yellowish red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

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

1.5 Refractive Index

2.4162.690-3.220

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Trigonal

1.8 Birefringence

0.0660.280

0 0.296

1.9 Clarity

Not Available

OpaqueHerve Nicolas Lazzarelli

Vanadinite and Hematite Optic Character

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

Similar to their colors, Vanadinite 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, Vanadinite is Not Available while Vanadinite is Not Available in appearance.