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Pietersite
Pietersite

Norbergite
Norbergite



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Pietersite
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Norbergite

Pietersite and Norbergite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Pale yellow very pale yellow colorlessAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
1.54-1.561.563-1.593
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Pietersite and Norbergite Optic Character

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

Pietersite and Norbergite Transparency

Similar to their colors, Pietersite and Norbergite 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, Pietersite is Not Available while Pietersite is Not Available in appearance.