Pezzotaite and Hematite Optical Properties

Pezzotaite

Hematite

Add ⊕

1 Optical Properties

1.1 Luster

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

1.60-1.612.690-3.220

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

1.8 Birefringence

Not Available0.280

0 0.296

1.9 Clarity

Color grading system

OpaqueHerve Nicolas Lazzarelli

Pezzotaite and Hematite Optic Character

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

Compare Red Gemstones

Pezzotaite Vs Barite

Pezzotaite Vs Bloodstone

Pezzotaite Vs Bixbite

Pezzotaite and Hematite Transparency

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