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Cancrinite
Cancrinite

Anthophyllite
Anthophyllite



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Cancrinite
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Anthophyllite

Cancrinite and Anthophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy, Pearly
Vitreous, Pearly
1.2 Pleochroism
Not Available
When Fe-rich
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.491-1.5241.603-1.690
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Hexagonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.012-0.025Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Cancrinite and Anthophyllite Optic Character

Cancrinite and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Cancrinite and Anthophyllite 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 Anthophyllite 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. Anthophyllite has Biaxial/+ character.

Cancrinite and Anthophyllite Transparency

Similar to their colors, Cancrinite and Anthophyllite 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.