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Phosphosiderite
Phosphosiderite

Brucite
Brucite



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Phosphosiderite
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Brucite

Phosphosiderite and Brucite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Pale rose-red carmine-red colorlessAnthony 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
1.692-1.7391.56-1.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.2400.010-0.020
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentMichael O’Donoghue

Phosphosiderite and Brucite Optic Character

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

Phosphosiderite and Brucite Transparency

Similar to their colors, Phosphosiderite 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, Phosphosiderite is Transparent while Phosphosiderite is Transparent in appearance.