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Lawsonite
Lawsonite

Poldervaartite
Poldervaartite



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Lawsonite
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Poldervaartite

Lawsonite and Poldervaartite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
Weak
Weak: colorless light gray bluish grayAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
1.672-1.6761.634-1.656
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.019-0.021Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Lawsonite and Poldervaartite Optic Character

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

Lawsonite and Poldervaartite Transparency

Similar to their colors, Lawsonite and Poldervaartite 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, Lawsonite is Not Available while Lawsonite is Not Available in appearance.