Hurlbutite and Microcline Optical Properties

Hurlbutite

Microcline

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

WeakMichael OâDonoghue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Translucent

1.5 Refractive Index

1.595-1.6041.514-1.539

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

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

1.8 Birefringence

0.0090.008-0.010

0 0.296

1.9 Clarity

Transparent

Translucent

Hurlbutite and Microcline Optic Character

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

Similar to their colors, Hurlbutite 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, Hurlbutite is Transparent while Hurlbutite is Transparent in appearance.