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Cavansite
Cavansite

Hessonite
Hessonite



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Cavansite
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Hessonite

Cavansite and Hessonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
Visible: X=Z= colorless Y= blue
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004)
1.5 Refractive Index
1.5421.742-1.748
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Cavansite and Hessonite Optic Character

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

Cavansite and Hessonite Transparency

Similar to their colors, Cavansite and Hessonite 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, Cavansite is Not Available while Cavansite is Not Available in appearance.