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Brucite
Brucite

Phosphosiderite
Phosphosiderite



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Brucite
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Phosphosiderite

Brucite and Phosphosiderite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Not Available
Pale rose-red carmine-red colorlessAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentMichael O’Donoghue, Gems, Sixth Edition (2006)
Transparent
1.5 Refractive Index
1.56-1.601.692-1.739
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.010-0.0200.240
Achroite
0 0.296
1.9 Clarity
TransparentMichael O’Donoghue
Transparent

Brucite and Phosphosiderite Optic Character

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

Brucite and Phosphosiderite Transparency

Similar to their colors, Brucite and Phosphosiderite 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, Brucite is Gems, Sixth Edition (2006) and TransparentMichael O’Donoghue while Brucite is Gems, Sixth Edition (2006) and TransparentMichael O’Donoghue in appearance.