Riesling Beryl and Hematite Optical Properties

Riesling Beryl

Hematite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Strongly dichroicMartin H. Read

O = brownish red; E = yellowish red

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Not Available

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

1.5 Refractive Index

1.592.690-3.220

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal

1.8 Birefringence

0.004-0.0100.280

0 0.296

1.9 Clarity

Not Available

OpaqueHerve Nicolas Lazzarelli

Riesling Beryl and Hematite Optic Character

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

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