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Bort
Bort

Prehnite
Prehnite



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Bort
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Prehnite

Bort and Prehnite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent
1.5 Refractive Index
Not Available1.611-1.673
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.021-0.033
Achroite
0 0.296
1.9 Clarity
Not Available
TranslucentHerve Nicolas Lazzarelli

Bort and Prehnite Optic Character

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

Bort and Prehnite Transparency

Similar to their colors, Bort and Prehnite 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, Bort is Not Available while Bort is Not Available in appearance.