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Clinochlore
Clinochlore

Andalusite
Andalusite



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Clinochlore
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Andalusite

Clinochlore and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Vitreous, Greasy
1.2 Pleochroism
Distinct: light yellow-green to light bluE
strongly trichroic
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.571-1.5971.627-1.650
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
Orthorhombic
1.8 Birefringence
Not Available0.009-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Clinochlore and Andalusite Optic Character

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

Similar to their colors, Clinochlore and Andalusite 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.