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Clinochlore
Clinochlore

Phosphosiderite
Phosphosiderite



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Clinochlore
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Phosphosiderite

Clinochlore and Phosphosiderite Optical Properties

Optical Properties

Luster

Pearly, Greasy
Vitreous

Pleochroism

Distinct: light yellow-green to light bluE
Pale rose-red carmine-red colorlessAnthony et al

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.571-1.5971.692-1.739
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
-

Birefringence

-99990.240
0 0.296
👆🏻

Clarity

Transparent
Transparent

Clinochlore and Phosphosiderite Optic Character

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

Similar to their colors, Clinochlore and Phosphosiderite 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.