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Watermelon Tourmaline
Watermelon Tourmaline

Staurolite
Staurolite



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Watermelon Tourmaline
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Staurolite

Watermelon Tourmaline and Staurolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Resinous
1.2 Pleochroism
Not Available
X = colorless; Y = pale yellow; Z = golden yellow
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentGemdat.org, Management Team (2012)
Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.614-1.6661.736-1.762
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.014-0.0400.009-0.015
Achroite
0 0.296
1.9 Clarity
TransparentGemdat.org
Blue Chart Gem Identification (2010) More from other references

Watermelon Tourmaline and Staurolite Optic Character

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

Watermelon Tourmaline and Staurolite Transparency

Similar to their colors, Watermelon Tourmaline 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, Watermelon Tourmaline is Management Team (2012) and TransparentGemdat.org while Watermelon Tourmaline is Management Team (2012) and TransparentGemdat.org in appearance.