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Goethite
Goethite

Scapolite
Scapolite



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Goethite
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Scapolite

Goethite and Scapolite Optical Properties

Optical Properties

Luster

Adamantine
-

Pleochroism

VisibleArthur Thomas
-

Dispersion

0.050.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.26-2.3981.540-1.579
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.1380.006-0.037
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Goethite and Scapolite Optic Character

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

Goethite and Scapolite Transparency

Similar to their colors, Goethite and Scapolite 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, Goethite is while Goethite is in appearance.