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Cancrinite
Cancrinite

Boulder Opal
Boulder Opal



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Cancrinite
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Boulder Opal

Cancrinite and Boulder Opal Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy, Pearly
Not Available
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.491-1.5241.370-1.470
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
0.012-0.025Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Cancrinite and Boulder Opal Optic Character

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

Cancrinite and Boulder Opal Transparency

Similar to their colors, Cancrinite 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, Cancrinite is Transparent while Cancrinite is Transparent in appearance.