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Clinochlore
Clinochlore

Blue John
Blue John



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Clinochlore
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Blue John

Clinochlore and Blue John Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Not Available
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
Transparent
1.5 Refractive Index
1.571-1.5971.432-1.436
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
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Clinochlore and Blue John Optic Character

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

Similar to their colors, Clinochlore and Blue John 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.