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Cordierite
Cordierite

Pearl
Pearl



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Cordierite
X
Pearl

Cordierite and Pearl Optical Properties

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1 Optical Properties
1.1 Luster
Greasy, Vitreous
Pearly
1.2 Pleochroism
X = pale yellow
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent, Opaque
1.5 Refractive Index
Not Available1.52-1.66
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
Not Available0.156
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Cordierite and Pearl Optic Character

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

Cordierite and Pearl Transparency

Similar to their colors, Cordierite and Pearl 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, Cordierite is Not Available while Cordierite is Not Available in appearance.