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Phlogopite
Phlogopite

Chrysoprase
Chrysoprase



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Phlogopite
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Chrysoprase

Phlogopite and Chrysoprase Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous, Vitreous, Waxy
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Translucent, Translucent, Opaque, Translucent to nearly opaque
1.5 Refractive Index
1.530-1.573
1.530-1.543
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.0280-0.0450
0.004
1.9 Clarity
Not Available
Translucent

Phlogopite and Chrysoprase Optic Character

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

Phlogopite and Chrysoprase Transparency

Similar to their colors, Phlogopite and Chrysoprase 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, Phlogopite is Not Available while Phlogopite is Not Available in appearance.

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