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Phosphophyllite
Phosphophyllite

Sunstone
Sunstone



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Phosphophyllite
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Phosphophyllite and Sunstone Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
NilArthur Thomas
Weak or absentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.595-1.6211.53-1.55
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.0210.007-0.010
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent to translucent

Phosphophyllite and Sunstone Optic Character

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

Phosphophyllite and Sunstone Transparency

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