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Vivianite
Vivianite

Microcline
Microcline



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Vivianite
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Microcline

Vivianite and Microcline Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue
WeakMichael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.560-1.6401.514-1.539
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
1.8 Birefringence
0.054-0.0750.008-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Vivianite and Microcline Optic Character

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

Vivianite and Microcline Transparency

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