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Rosasite
Rosasite

Staurolite
Staurolite



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Rosasite
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Staurolite

Rosasite and Staurolite Optical Properties

1 Optical Properties
1.1 Luster
Silky, Vitreous
Resinous
1.2 Pleochroism
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
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
1.672-1.6881.736-1.762
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.139-0.1430.009-0.015
Achroite
0 0.296
1.9 Clarity
Not Available
Blue Chart Gem Identification (2010) More from other references

Rosasite and Staurolite Optic Character

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

Rosasite and Staurolite Transparency

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