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Prehnite
Prehnite

Pyromorphite
Pyromorphite



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Prehnite
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Pyromorphite

Prehnite and Pyromorphite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Resinous, Subadamantine
1.2 Pleochroism
AbsentWalter Schumann
Weak
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.611-1.6732.042-2.059
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.021-0.0330.010
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent

Prehnite and Pyromorphite Optic Character

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

Prehnite and Pyromorphite Transparency

Similar to their colors, Prehnite and Pyromorphite 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, Prehnite is Translucent while Prehnite is Translucent in appearance.