Schultenite and Amblygonite Optical Properties

Schultenite

Amblygonite

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1 Optical Properties

1.1 Luster

Vitreous, Adamantine

Vitreous, Pearly

1.2 Pleochroism

Not Available

weak to none

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.890-1.9761.578-1.646

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Not Available

Triclinic

1.8 Birefringence

Not Available0.020-0.030

0 0.296

1.9 Clarity

TransparentAnthony et al

TransparentUlrich Henn and Claudio C. Milisenda

Schultenite and Amblygonite Optic Character

Schultenite and Amblygonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Schultenite and Amblygonite 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 Schultenite and Amblygonite 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. Amblygonite has Biaxial/+ character.

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Schultenite and Amblygonite Transparency

Similar to their colors, Schultenite and Amblygonite 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, Schultenite is Handbook of mineralogy (2001) and TransparentAnthony et al while Schultenite is Handbook of mineralogy (2001) and TransparentAnthony et al in appearance.