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Pumpellyite
Pumpellyite

Agate
Agate



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Pumpellyite
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Agate

Pumpellyite and Agate Optical Properties

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1 Optical Properties
1.1 Luster
Fibrous
Vitreous
1.2 Pleochroism
Not Available
Absent
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Translucent
1.5 Refractive Index
1.674-1.7641.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.014-0.0160.004
Achroite
0 0.296
1.9 Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
Translucent

Pumpellyite and Agate Optic Character

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

Similar to their colors, Pumpellyite and Agate 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.