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Poldervaartite
Poldervaartite

Brucite
Brucite



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Poldervaartite
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Brucite

Poldervaartite and Brucite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Weak: colorless light gray bluish grayAnthony et al
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TransparentMichael O’Donoghue, Gems, Sixth Edition (2006)
1.5 Refractive Index
1.634-1.6561.56-1.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.010-0.020
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentMichael O’Donoghue

Poldervaartite and Brucite Optic Character

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

Poldervaartite and Brucite Transparency

Similar to their colors, Poldervaartite and Brucite 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, Poldervaartite is Transparent while Poldervaartite is Transparent in appearance.