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Periclase
Periclase

Cassiterite
Cassiterite



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Periclase
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Cassiterite

Periclase and Cassiterite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine, Greasy
1.2 Pleochroism
Not Available
Pleochroic haloes have been observed. Dichroic in yellow
1.3 Dispersion
NA0.07
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent, Translucent
1.5 Refractive Index
1.735-1.7381.990-2.105
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
tetragonal
1.8 Birefringence
Not Available0.096-0.098
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Transparent

Periclase and Cassiterite Optic Character

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

Periclase and Cassiterite Transparency

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