Hazenite is a phosphate, arsenate, or vanadate mineral with the formula KNaMg2(PO4)2·14H2O, crystallizing in the orthorhombic system. It has a calculated density of 1.875 g/cm3. Its streak is white.
Crystallography
Crystal system
orthorhombic crystal systemWikidata (CC0)
Space group
P m n b
Cell (Å, °)
a = 6.9349, b = 25.1737, c = 11.2195; α = 90, β = 90, γ = 90
Cell volume
1958.67 ų, Z = 4
Axial ratios
0.2755:1:0.4457calculated from COD 9015471
Source structure
COD 9015471 (American Mineralogist, 2011) — 1 of 2 structures
Powder X-ray diffraction (calculated)
d (Å)
4.304
2.671
2.744
4.188
2.788
3.264
I/I₀
100
65.3
28.7
26.4
23.2
22.3
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9015471; idealized occupancies, no preferred orientation.
Physical properties
Density (calculated)
1.875 g/cm³calculated from COD 9015471
Streak
whitesingle sourceWikidata (CC0)
Chemistry (calculated)
Molecular weight
552.85 g/molcalculated from the IMA formula
Composition (wt%)
K 7.07%, Na 4.16%, Mg 8.79%, P 11.21%, O 63.67%, H 5.1%