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Ajoite
Ajoite

Boulder Opal
Boulder Opal



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X
Ajoite
X
Boulder Opal

Ajoite and Boulder Opal Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

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

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.5501.370-1.470
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
-

Birefringence

0.091-9999
0 0.296
👆🏻

Clarity

-
Transparent

Ajoite and Boulder Opal Optic Character

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

Ajoite and Boulder Opal Transparency

Similar to their colors, Ajoite and Boulder Opal 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, Ajoite is while Ajoite is in appearance.