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Clinochlore
Clinochlore

Astrophyllite
Astrophyllite



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Clinochlore
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Astrophyllite

Clinochlore and Astrophyllite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Greasy, Pearly
1.2 Pleochroism
Distinct: light yellow-green to light bluE
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.571-1.5971.678-1.758
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
Triclinic
1.8 Birefringence
Not Available0.050
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Clinochlore and Astrophyllite Optic Character

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

Similar to their colors, Clinochlore and Astrophyllite 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.