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Dominant species
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Brucite
Chemical
Formula
Mg(OH)2
Species
Oxides & Hydroxides
Crystal
System
Trigonal
Mohs
Scale
2-3
Specific
Gravity
2.39-2.40
Color
white, pale green, blue, gray; honey-yellowto brownish red
Streak
white
Luster
Vitreous, Waxy, Pearly
Refractive
Index
n = 1.560 - 1.590 n = 1.580 - 1.600
Diaphaneity
Transparent, Translucent
Cleavage
PerfectOn
Fracture
Fibrous, Micaceous
Crystal Habit:platy or foliated masses and rosettes – fibrous to massive
Geological Setting:Alteration mineral of periclase in marbles.
Brucite4358
Brucite4358
Brucite4356
Brucite4356
Brucite4353
Brucite4353
Brucite4342
Brucite4342
Brucite4339
Brucite4339
Brucite4334
Brucite4334
Brucite4333
Brucite4333
Brucite4329
Brucite4329
Brucite4326
Brucite4326