Andesine and Goethite Optical Properties

Andesine

Goethite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Adamantine

1.2 Pleochroism

colorless.

VisibleArthur Thomas

1.3 Dispersion

0.70NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemstones (2009)

1.5 Refractive Index

1.543-1.5642.26-2.398

1 3.25

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

Triclinic

Orthorhombic

1.8 Birefringence

0.007-0.0110.138

0 0.296

1.9 Clarity

Transparent

Gemstones (2009)

Andesine and Goethite Optic Character

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

Compare Red Gemstones

Andesine Vs Bloodstone Heliotrope

Andesine Vs Blue John

Andesine Vs Black Opal

Andesine and Goethite Transparency

Similar to their colors, Andesine and Goethite 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, Andesine is Translucent, Transparent and Transparent to translucent while Andesine is Translucent, Transparent and Transparent to translucent in appearance.