Cassiterite and Intermediate Gold Nuggets Optical Properties

Cassiterite

Intermediate Gold Nuggets

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1 Optical Properties

1.1 Luster

Adamantine, Greasy

Not Available

1.2 Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow

Not Available

1.3 Dispersion

0.07NA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.990-2.105Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Trigonal

1.8 Birefringence

0.096-0.098Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Cassiterite and Intermediate Gold Nuggets Optic Character

Cassiterite and Intermediate Gold Nuggets optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Cassiterite and Intermediate Gold Nuggets 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 Cassiterite and Intermediate Gold Nuggets 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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Cassiterite and Intermediate Gold Nuggets Transparency

Similar to their colors, Cassiterite and Intermediate Gold Nuggets 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, Cassiterite is Translucent and Transparent while Cassiterite is Translucent and Transparent in appearance.