Sulphur and Microcline Optical Properties

Sulphur

Microcline

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

WeakMichael OâDonoghue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

Translucent

1.5 Refractive Index

1.958-2.2451.514-1.539

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1

1.8 Birefringence

0.2910.008-0.010

0 0.296

1.9 Clarity

TranslucentWalter Schumann

Translucent

Sulphur and Microcline Optic Character

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

Similar to their colors, Sulphur and Microcline 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, Sulphur is Gemstones of the world (2001) and TranslucentWalter Schumann while Sulphur is Gemstones of the world (2001) and TranslucentWalter Schumann in appearance.