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Pumpellyite
Pumpellyite

Eosphorite
Eosphorite



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Pumpellyite
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Eosphorite

Pumpellyite and Eosphorite Optical Properties

1 Optical Properties
1.1 Luster
Fibrous
Vitreous, Resinous
1.2 Pleochroism
Not Available
Visible: X = yellow; Y = pink; Z = pale pink to colorless
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent
1.5 Refractive Index
1.674-1.7641.639-1.672
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.014-0.0160.029-0.032
Achroite
0 0.296
1.9 Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
Transparent

Pumpellyite and Eosphorite Optic Character

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

Pumpellyite and Eosphorite Transparency

Similar to their colors, Pumpellyite and Eosphorite 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, Pumpellyite is Gemmological Tables (2004) while Pumpellyite is Gemmological Tables (2004) in appearance.