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Pietersite
Pietersite

Brookite
Brookite



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Pietersite
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Brookite

Pietersite and Brookite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Not Available
Very weak
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.54-1.56
2.583-2.741
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
Not Available
0.117
1.9 Clarity
Not Available
Gemmological Tables (2004) More from other references

Pietersite and Brookite Optic Character

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

Pietersite and Brookite Transparency

Similar to their colors, Pietersite 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, Pietersite is Not Available while Pietersite is Not Available in appearance.