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Phosphophyllite
Phosphophyllite

Shattuckite
Shattuckite



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Phosphophyllite
X
Shattuckite

Phosphophyllite and Shattuckite Optical Properties

Optical Properties

Luster

-
Silky

Pleochroism

-
X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.595-1.6211.752-1.815
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0210.063
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Phosphophyllite and Shattuckite Optic Character

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

Similar to their colors, Phosphophyllite and Shattuckite 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 while Phosphophyllite is in appearance.