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Prehnite
Prehnite

Clinochlore
Clinochlore



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Prehnite
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Clinochlore

Prehnite and Clinochlore Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Pearly, Greasy
1.2 Pleochroism
AbsentWalter Schumann
Distinct: light yellow-green to light bluE
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.611-1.6731.571-1.597
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
1.8 Birefringence
0.021-0.033Not Available
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent

Prehnite and Clinochlore Optic Character

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

Prehnite and Clinochlore Transparency

Similar to their colors, Prehnite and Clinochlore 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, Prehnite is Translucent while Prehnite is Translucent in appearance.