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Pietersite
Pietersite

Staurolite
Staurolite



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X
Pietersite
X
Staurolite

Pietersite and Staurolite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Resinous
1.2 Pleochroism
Not Available
X = colorless; Y = pale yellow; Z = golden yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.54-1.561.736-1.762
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
Not Available0.009-0.015
Achroite
0 0.296
1.9 Clarity
Not Available
Blue Chart Gem Identification (2010) More from other references

Pietersite and Staurolite Optic Character

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

Similar to their colors, Pietersite and Staurolite 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.