General Information:
Chemical Formula:
(NH4)MgPO4·6(H2O)
Composition:
(Molecular Weight = 245.41 gm)
Magnesium 9.90 % Mg
Phosphorus 12.62 % P
Hydrogen 6.57 % H
Nitrogen 5.71 % N
Oxygen 65.20 % O
Empirical Formula:
(NH4)Mg(PO4)·6(H2O)
Name Origin:
Named after the Russian diplomat, H. G. von Struve (1772-1851).
Physical Properties:
Cleavage:
[100] Perfect
Color:
white, yellowish white, or brownish white.
Density:
1.7
Diaphaniety:
Transparent to Translucent
Habits:
Euhedral Crystals - Occurs as well-formed crystals showing good external form., Platy - Sheet forms (e.g. micas).,
Hardness:
1.5-2 - Talc-Gypsum
Luster:
Vitreous - Dull
Streak:
white
More details...