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Spodumene
Spodumene

Brookite
Brookite



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Spodumene and Brookite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
Strong in kunzite: α-purple
Very weak
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.657-1.681
2.583-2.741
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.014-0.018
0.117
1.9 Clarity
Gems
Gemmological Tables (2004) More from other references

Spodumene and Brookite Optic Character

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

Spodumene and Brookite Transparency

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