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Pyromorphite
Pyromorphite

Cassiterite
Cassiterite



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Pyromorphite
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Cassiterite

Pyromorphite and Cassiterite Optical Properties

1 Optical Properties
1.1 Luster
Resinous, Subadamantine
Adamantine, Greasy
1.2 Pleochroism
Weak
Pleochroic haloes have been observed. Dichroic in yellow
1.3 Dispersion
NA0.07
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
2.042-2.0591.990-2.105
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
tetragonal
1.8 Birefringence
0.0100.096-0.098
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Pyromorphite and Cassiterite Optic Character

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

Pyromorphite and Cassiterite Transparency

Similar to their colors, Pyromorphite 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, Pyromorphite is Transparent while Pyromorphite is Transparent in appearance.