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Montebrasite
Montebrasite

Cavansite
Cavansite



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Montebrasite
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Cavansite

Montebrasite and Cavansite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
Not Available
Visible: X=Z= colorless Y= blue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Not Available
1.5 Refractive Index
1.578-1.6461.542
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.020-0.0300.009
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Not Available

Montebrasite and Cavansite Optic Character

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

Montebrasite and Cavansite Transparency

Similar to their colors, Montebrasite and Cavansite 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, Montebrasite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Montebrasite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.