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Brookite
Brookite

Tigers Eye
Tigers Eye



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Brookite
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Tigers Eye

Brookite and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Silky
1.2 Pleochroism
Very weak
Not Available
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Opaque
1.5 Refractive Index
2.583-2.7411.534-1.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.117Not Available
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Gemstones of the world (2001) More from other references

Brookite and Tigers Eye Optic Character

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

Brookite and Tigers Eye Transparency

Similar to their colors, Brookite and Tigers Eye 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, Brookite is Gemmological Tables (2004) More from other references while Brookite is Gemmological Tables (2004) More from other references in appearance.