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Smithsonite
Smithsonite

Brookite
Brookite



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Smithsonite
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Brookite

Smithsonite and Brookite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Very weak
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.620-1.8502.583-2.741
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.223-0.2270.117
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004) More from other references

Smithsonite and Brookite Optic Character

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

Smithsonite and Brookite Transparency

Similar to their colors, Smithsonite and Brookite 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, Smithsonite is Translucent while Smithsonite is Translucent in appearance.