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Montebrasite
Montebrasite

Caledonite
Caledonite



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Montebrasite
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Caledonite

Montebrasite and Caledonite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent
1.5 Refractive Index
1.578-1.6461.818-1.909
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.020-0.0300.091
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Transparent

Montebrasite and Caledonite Optic Character

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

Similar to their colors, Montebrasite and Caledonite 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.