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Cassiterite
Cassiterite

Pyrope Almandine
Pyrope Almandine



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Cassiterite
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Pyrope Almandine

Cassiterite and Pyrope Almandine Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Greasy
Not Available
1.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
AbsentWalter Schumann
1.3 Dispersion
0.070.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TransparentGemdat.org, Management Team (2012)
1.5 Refractive Index
1.990-2.1051.73-1.77
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.096-0.098Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentGemdat.org

Cassiterite and Pyrope Almandine Optic Character

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

Cassiterite and Pyrope Almandine Transparency

Similar to their colors, Cassiterite and Pyrope Almandine 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, Cassiterite is Translucent and Transparent while Cassiterite is Translucent and Transparent in appearance.