Cordierite and Sarcopside Optical Properties

Cordierite

Sarcopside

Add ⊕

1 Optical Properties

1.1 Luster

Greasy, Vitreous

Waxy

1.2 Pleochroism

X = pale yellow

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

Not Available1.670-1.734

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

TranslucentAnthony et al

Cordierite and Sarcopside Optic Character

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

Compare Blue Gemstones

Cordierite Vs Plumbogummite

Cordierite Vs Rosasite

Cordierite Vs Riebeckite

Cordierite and Sarcopside Transparency

Similar to their colors, Cordierite and Sarcopside 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.