Misplaced Pages

Lead apatite

Article snapshot taken from[REDACTED] with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.

Lead apatite is a generic name for apatite-structure materials that contain lead as the divalent cation. A Copper-doped lead-apatite has been proposed as a room-temperature superconductor. A number of minerals are known. All have a hexagonal crystal structure.

Minerals

name formula unit cell Å a : c volume density reference
Fluorpyromorphite Pb5(PO4)3F a = 9.779 c = 7.241 1 : 0.74 599.68
Pyromorphite Pb5(PO4)3Cl a = 9.987 c = 7.33 1 : 0.734 633.15 7.04
Hydroxylpyromorphite Pb5(PO4)3OH a = 9.787 c = 7.307 1: 0.747 606.13 7.32
Oxypyromorphite Pb10(PO4)6O
Mimetite Pb5(AsO4)3Cl a = 10.250 c = 7.454 1 : 0.727 678.22 7.24
Pb5(AsO4)3OH a = 10.1266 c = 7.5010 1 : 0.741 666.16
Vanadinite Pb5(VO4)3Cl a = 10.3174 c = 7.3378 1 : 0.711 676.45 6.88
Germanate-pyromorphite Pb5(PO4)2GeO4
Phosphohedyphane Ca2Pb3(PO4)3Cl a = 9.857 Å, c = 7.13 1 : 0.723 599.9 5.92
Hedyphane Ca2Pb3(AsO4)3Cl a = 10.14 c = 7.185 1 : 0.798 639.78 5.82
Hydroxylhedyphane Ca2Pb3(AsO4)3(OH) a = 10.0414 c = 7.2752 1 : 0.725 635.28 ?
Vanackerite Pb4Cd(AsO4)3Cl a = 10.0279 c = 7.2965 1 : 0.728 635.43 7.28

References

  1. "Fluorpyromorphite". Retrieved 8 August 2023.
  2. "Pyromorphite".
  3. "Hydroxylpyromorphite".
  4. "Oxypyromorphite". Retrieved 8 August 2023.
  5. "Mimetite". Retrieved 8 August 2023.
  6. "Unnamed (OH-analogue of Mimetite)".
  7. "Vanadinite".
  8. "Germanate-pyromorphite".
  9. "Phosphohedyphane".
  10. "Hedyphane".
  11. "Hydroxylhedyphane".
  12. "Vanackerite".
Categories:
Lead apatite Add topic