Augite and Carletonite Optical Properties

Augite

Carletonite

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1 Optical Properties

1.1 Luster

Vitreous, Resinous

Vitreous

1.2 Pleochroism

Pale green

Weak

1.3 Dispersion

NANA

0.007 1

1.13 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

1.14 Refractive Index

1.671-1.7741.517-1.521

1 3.25

2.5 Optic Character

Not Available

2.6 Crystal System

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

tetragonal

2.7 Birefringence

Not Available0.004

0 0.296

2.11 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Augite and Carletonite Optic Character

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

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Augite and Carletonite Transparency

Similar to their colors, Augite and Carletonite 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, Augite is Translucent and Transparent while Augite is Translucent and Transparent in appearance.