Selenite sulfates are mixed anion compounds containing both selenite (SeO3), and sulfate (SO4) anions.
They have transparent crystals that may be coloured by cations. Selenite sulfate minerals are known including pauladamsite and munakataite.
name | formula | ratio
SeO3:SO4 |
mw | system | space group | unit cell Å | volume | density | comments | references |
---|---|---|---|---|---|---|---|---|---|---|
Co3(SeO3)(SO4)(OH)2 | orthorhombic | Pnma | a 10.8757 b 6.4782 c 11.1579 | [1] | ||||||
Pauladamsite | Cu4(SeO3)(SO4)(OH)4·2H2O | triclinic | P1 | a = 6.0742 b = 8.415 c = 10.780 α = 103.665 β = 95.224 γ = 90.004° Z = 2 | 533.0 | green | [2] | |||
Cd4(SeO3)2(SO4)2 | orthorhombic | P212121 | a=5.3524 b=14.595 c=15.892 | [3] | ||||||
Ag2Cd(Se2O5)(Se0.3S0.7O4) | triclinic | P1 | a 6.7485 b 6.8504 c 9.769, α 101.36° β 105.95° γ 91.16° | [4] | ||||||
Pr2(SeO3)2(SO4)(H2O)2 | monoclinic | C2 | a=11.719 b=6.8495 c=6.5043 β=103.265 Z=2 | 508.18 | 4.364 | light green | [5] | |||
Sm2(SeO3)2(SO4)(H2O)2 | monoclinic | C2 | [6] | |||||||
Dy2(SeO3)2(SO4)(H2O)2 | monoclinic | C2 | [6] | |||||||
Yb2(SeO3)2(SO4)(H2O)2 | monoclinic | C2 | [6] | |||||||
Hf(SeO3)(SeO4)(H2O)4 | [7] | |||||||||
Hg2(SeO3)(SO4) | monoclinic | P21/c | a 6.3799 b 7.0185 c 13.4426 β 94.511° | birefringence 0.133 at 532 nm and 0.126 at 1064 nm | [4] | |||||
Hg3(SeO3)2(SO4) | monoclinic | P21 | a 8.1991 b 5.2677 c 11.1199 β 108.399(6)° | white; band gap (4.70 eV; SHG 1.3 ×KDP | [8] | |||||
La2Hg3(SeO3)4(SO4)2(H2O)2 | triclinic | P1 | a 9.1127 b 9.2446 c 13.5562 α 86.099° β 79.267° γ 61.814° | [4] | ||||||
munakataite | Pb2Cu2(Se4+O3)(SO4)(OH)4 | monoclinic | P21/m | a = 9.802 b = 5.675 c = 9.281 β = 102.443 Z = 2 | 504.2 | [9] |