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Pezzottaite
Pezzottaite

Hollandite
Hollandite



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Pezzottaite
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Hollandite

Pezzottaite and Hollandite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Moderate dichroic
Weak.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.598-1.620Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.008-0.011Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Pezzottaite and Hollandite Optic Character

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

Pezzottaite and Hollandite Transparency

Similar to their colors, Pezzottaite and Hollandite 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, Pezzottaite is Transparent while Pezzottaite is Transparent in appearance.