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Microcline
Microcline

Franklinite
Franklinite



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Microcline
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Franklinite

Microcline and Franklinite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
WeakMichael O’Donoghue
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent
1.5 Refractive Index
1.514-1.539Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
1.8 Birefringence
0.008-0.010Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Microcline and Franklinite Optic Character

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

Microcline and Franklinite Transparency

Similar to their colors, Microcline and Franklinite 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, Microcline is Translucent while Microcline is Translucent in appearance.