Montebrasite and Cordierite Optical Properties

Montebrasite

Cordierite

Add ⊕

1 Optical Properties

1.1 Luster

Not Available

Greasy, Vitreous

1.2 Pleochroism

Not Available

X = pale yellow

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

Not Available

1.5 Refractive Index

1.578-1.646Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

0.020-0.030Not Available

0 0.296

1.9 Clarity

TransparentWalter Schumann

Not Available

Montebrasite and Cordierite Optic Character

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

Montebrasite Vs Pezzottaite

Montebrasite Vs Onyx

Montebrasite Vs Nosean

Montebrasite and Cordierite Transparency

Similar to their colors, Montebrasite and Cordierite 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, Montebrasite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Montebrasite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.