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Angelite
Angelite

Pumpellyite
Pumpellyite



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Angelite
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Pumpellyite

Angelite and Pumpellyite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Fibrous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004)
1.5 Refractive Index
Not Available1.674-1.764
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
Not Available0.014-0.016
Achroite
0 0.296
1.9 Clarity
Not Available
OpaqueUlrich Henn and Claudio C. Milisenda

Angelite and Pumpellyite Optic Character

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

Angelite and Pumpellyite Transparency

Similar to their colors, Angelite and Pumpellyite 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, Angelite is Not Available while Angelite is Not Available in appearance.