Hochleitnerite, (K (H<sub>2</sub>O)) Mn<sub>2</sub>(Ti<sub>2</sub>Fe)(PO<sub>4</sub>)<sub>4</sub>O<sub>2</sub>(H<sub>2</sub>O)<sub>10</sub>&thinsp; ⋅ &thinsp;4H<sub>2</sub>O, a new paulkerrite-group mineral, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany

Abstract 2 O)]Mn2 (Ti2 Fe)(PO4) 4 O2 (H2 O) 10  ⋅ 2 O, is a new paulkerrite-group mineral from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany. It was found in specimens of altered zwieselite, in association with fluorapatite, rockbridgeite, columbite and sub-micrometre rods of uranophane. Hochleitnerite occurs as isolated and intergrown pale-yellow, diamond-shaped tablets with thicknesses reaching 50 µ m and lengths of 120 µ m. The crystals are flattened on {010}, slightly elongated on [001], and bounded by the {111} and {010} forms. The calculated density is 2.40 g cm- 3 + α =  1.615 (2), β =  1.621 (2) and γ =  1.645 (2) (measured in white light). The calculated 2V ∘. The empirical formula is [K (H2 O)](Mn1.51 2 + Fe0.49 2 +)Σ 2.00 1.62 4 + Fe0.19 3 + Al0.15)Σ 2.96 4) 4.00 1.50 F0.23 (OH) 0.27 ]Σ 2.00 2 O) 10  ⋅ 2 O. Hochleitnerite has space group Pbca a =  10.5513 (3) Å, b =  20.6855 (17) Å, c =  12.4575 (4) Å, V =  2718.96 (15) Å3 and Z =  4. The crystal structure was refined using single-crystal data to wR obs =  0.082 for 2242 reflections with I > σ (I). The crystal structure contains corner-connected linear trimers of Ti-centred octahedra that share corners with PO4 tetrahedra to form 10-member rings parallel to (010). K+ cations and water molecules are located within the rings. Additional corner sharing of the PO4 tetrahedra with MnO2 (H2 O) 4 octahedra occurs along [010] to complete the 3D framework structure.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Hochleitnerite, (K (H2O)) Mn2(Ti2Fe)(PO4)4O2(H2O)10  ⋅  4H2O, a new paulkerrite-group mineral, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany ; volume:35 ; number:4 ; year:2023 ; pages:635-643 ; extent:9
European journal of mineralogy ; 35, Heft 4 (2023), 635-643 (gesamt 9)

Urheber
Grey, Ian E.
Keck, Erich
Kampf, Anthony R.
MacRae, Colin M.
Gable, Robert W.
Mumme, William G.
Wilson, Nicholas C.
Glenn, Alexander M.
Davidson, Cameron

DOI
10.5194/ejm-35-635-2023
URN
urn:nbn:de:101:1-2023081004312578520168
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
2025-08-14T10:48:32+0200

Datenpartner

Dieses Objekt wird bereitgestellt von:
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.

Beteiligte

  • Grey, Ian E.
  • Keck, Erich
  • Kampf, Anthony R.
  • MacRae, Colin M.
  • Gable, Robert W.
  • Mumme, William G.
  • Wilson, Nicholas C.
  • Glenn, Alexander M.
  • Davidson, Cameron

Ähnliche Objekte (12)