Goethite and Heliodor Golden Beryl Optical Properties

Goethite

Heliodor Golden Beryl

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1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

VisibleArthur Thomas

Weak: golden-yellow

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

Gemstones (2009)

Transparent, Translucent

1.5 Refractive Index

2.26-2.3981.566-1.579

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.1380.005-0.009

0 0.296

1.9 Clarity

Gemstones (2009)

Transparent

Goethite and Heliodor Golden Beryl Optic Character

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

Similar to their colors, Goethite and Heliodor Golden Beryl 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 Gemstones (2009) while Goethite is Gemstones (2009) in appearance.