Norbergite and Ajoite Optical Properties

Norbergite

Ajoite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Pale yellow very pale yellow colorlessAnthony et al

X: very light bluish green; Y and Z: brilliant bluish green

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.563-1.5931.550

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Triclinic

1.8 Birefringence

Not Available0.091

0 0.296

1.9 Clarity

Transparent

Not Available

Norbergite and Ajoite Optic Character

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

Similar to their colors, Norbergite and Ajoite 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, Norbergite is Transparent while Norbergite is Transparent in appearance.