Sinhalite and Microcline Optical Properties

Sinhalite

Microcline

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Trichroism: green light brown dark brownHerve Nicolas Lazzarelli

WeakMichael OâDonoghue

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Translucent

1.5 Refractive Index

1.665-1.7121.514-1.539

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

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

1.8 Birefringence

0.036-0.0420.008-0.010

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Translucent

Sinhalite and Microcline Optic Character

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

Similar to their colors, Sinhalite 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, Sinhalite is Gemmological Tables (2004) More from other references while Sinhalite is Gemmological Tables (2004) More from other references in appearance.