General Information:
Chemical Formula:
(Fe++,Mg)Al2(PO4)2(OH)2
Composition:
(Molecular Weight = 325.88 gm)
Magnesium 1.86 % Mg
Aluminum 16.56 % Al
Iron 12.85 % Fe
Phosphorus 19.01 % P
Hydrogen 0.62 % H
Oxygen 49.10 % O
Empirical Formula:
Fe2+0.75Mg0.25Al2(PO4)2(OH)2
Name Origin:
Named after the Brazilian mineralogist, E. P. Scorzu.
Physical Properties:
Cleavage:
[110] Good
Color:
dark blue or greenish blue.
Density:
3.27
Diaphaniety:
Subtranslucent to Opaque
Habits:
Granular - Generally occurs as anhedral to subhedral crystals in matrix., Massive - Granular - Common texture observed in granite and other igneous rock.,
Hardness:
5.5-6 - Knife Blade-Orthoclase
Luster:
Vitreous - Dull
Streak:
white
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