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Glaucophane
Glaucophane

Poldervaartite
Poldervaartite



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Glaucophane
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Poldervaartite

Glaucophane and Poldervaartite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Strong
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
1.606-1.6371.634-1.656
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Glaucophane and Poldervaartite Optic Character

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

Glaucophane and Poldervaartite Transparency

Similar to their colors, Glaucophane 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, Glaucophane is Not Available while Glaucophane is Not Available in appearance.