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Chalcedony
Chalcedony

Microcline
Microcline



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Chalcedony
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Microcline

Chalcedony and Microcline Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
WeakMichael O’Donoghue
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent to opaque
Translucent
1.5 Refractive Index
1.530-1.5431.514-1.539
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
1.8 Birefringence
0.003-0.0090.008-0.010
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Chalcedony and Microcline Optic Character

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

Chalcedony and Microcline Transparency

Similar to their colors, Chalcedony 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, Chalcedony is Translucent and Translucent to opaque while Chalcedony is Translucent and Translucent to opaque in appearance.