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Clinochlore
Clinochlore

Pumpellyite
Pumpellyite



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Clinochlore
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Pumpellyite

Clinochlore and Pumpellyite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Fibrous
1.2 Pleochroism
Distinct: light yellow-green to light bluE
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
1.571-1.5971.674-1.764
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
monoclinic
1.8 Birefringence
Not Available0.014-0.016
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Clinochlore and Pumpellyite Optic Character

Clinochlore and Pumpellyite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Clinochlore 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 Clinochlore 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. Clinochlore has Biaxial/+ character.

Clinochlore and Pumpellyite Transparency

Similar to their colors, Clinochlore 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, Clinochlore is Transparent while Clinochlore is Transparent in appearance.