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Montebrasite
Montebrasite

Chalcedony
Chalcedony



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Montebrasite
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Chalcedony

Montebrasite and Chalcedony Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Translucent, Translucent to opaque
1.5 Refractive Index
1.578-1.6461.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.020-0.0300.003-0.009
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Translucent

Montebrasite and Chalcedony Optic Character

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

Similar to their colors, Montebrasite and Chalcedony 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.