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Pyrargyrite
Pyrargyrite

Brucite
Brucite



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Pyrargyrite
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Brucite

Pyrargyrite and Brucite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Pearly
1.2 Pleochroism
Distinct
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TransparentMichael O’Donoghue, Gems, Sixth Edition (2006)
1.5 Refractive Index
2.881-3.0841.56-1.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.2030.010-0.020
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentMichael O’Donoghue

Pyrargyrite and Brucite Optic Character

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

Pyrargyrite and Brucite Transparency

Similar to their colors, Pyrargyrite 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, Pyrargyrite is Translucent while Pyrargyrite is Translucent in appearance.