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Pyrope Spessartine
Pyrope Spessartine

Staurolite
Staurolite



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Pyrope Spessartine
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Staurolite

Pyrope Spessartine 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
Albite Optical ..
0.02
Rank: 16 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.730-1.820
1.736-1.762
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.027
0.009-0.015
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Blue Chart Gem Identification (2010) More from other references

Pyrope Spessartine and Staurolite Optic Character

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

Pyrope Spessartine and Staurolite Transparency

Similar to their colors, Pyrope Spessartine 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, Pyrope Spessartine is Gemmological Tables (2004) More from other references while Pyrope Spessartine is Gemmological Tables (2004) More from other references in appearance.

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