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Phosgenite
Phosgenite

Albite
Albite



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Phosgenite
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Albite

Phosgenite and Albite Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Pearly
1.2 Pleochroism
Weakly pleochroic with O reddish and E greenish in thick sections.
colorless.
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
1.00
Rank: 1 (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
1.5 Refractive Index
2.117-2.145
1.525-1.542
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Triclinic
1.8 Birefringence
0.027
0.008-0.011
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Phosgenite and Albite Optic Character

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

Phosgenite and Albite Transparency

Similar to their colors, Phosgenite and Albite 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, Phosgenite is Gemmological Tables (2004) More from other references while Phosgenite is Gemmological Tables (2004) More from other references in appearance.

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