Smoky Quartz and Hematite Optical Properties

Smoky Quartz

Hematite

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

None

O = brownish red; E = yellowish red

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

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

1.5 Refractive Index

1.544-1.5532.690-3.220

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Trigonal

1.8 Birefringence

0.0090.280

0 0.296

1.9 Clarity

Opaque

OpaqueHerve Nicolas Lazzarelli

Smoky Quartz and Hematite Optic Character

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

Similar to their colors, Smoky Quartz 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, Smoky Quartz is Translucent, Transparent and Transparent to translucent while Smoky Quartz is Translucent, Transparent and Transparent to translucent in appearance.