Where it forms, where it's found
- Type locality
- Anton Mine
- Heubach Valley
- Wittichen
- Schenkenzell
- Rottweil
- Freiburg Region
- Baden-Württemberg
- Germany
48.3289°, 8.3233°
28recorded occurrences
Radioactivity
Physical
Optical
- Optical type
- Uniaxial (-)
- Refractive index
- 1.595 – 1.632
- Surface relief
- Moderate
- Principal indices
- nω 1.632 · nε 1.595
Δ = 0Δmax
PPLpleochroism per grain
XPLindependent extinctions · rotate the stage
PPLpleochroism only · colour blends on rotation
XPLinterference colour · extinct every 90°
Retardation370 nm
Order1st order
XPL colour
Crystallography
- Space group
- #138
- Cell parameters
- a = 7.16 Å · c = 8.58 Å
- Z
- 1
- Morphology
Tabular.
- Comment
Maybe pseudo-tetragonal.
Chemical composition
Synonyms
- Metanováčekiet
In other languages
- German
- Metanováčekit
- Italian
- Metanováčekite
Classification
Strunz
10th ed.8.EB.10
- 8Phosphates, Arsenates, VanadatesClass
- 8.EUranyl phosphates and arsenatesDivision
- 8.EBUO2:RO4 = 1:1Group
- 8.EB.10MetanováčekiteSpecies
Dana
8th ed.40.2a.10.02
- 40Hydrated Normal Phosphates, Arsenates and VanadatesClass
- 40.2aAB2(XO4)2·xH2O, containing (UO2)2+Type
- 40.2a.10— unnamed intermediate level —Group
- 40.2a.10.02MetanováčekiteSpecies
CIM
—20.7.6
- 20Arsenates (also arsenates with phosphate, but without other anions)Class
- 20.7Arsenates of UGroup
- 20.7.6MetanováčekiteSpecies
Group, growth & confusion
AbernathyiteK(UO2)(AsO4) · 3H2OMineral—- ArsenosabugaliteH0.5Al0.5(UO2)2(AsO4)2·8H2OMineral—
Chernikovite(H3O)(UO2)(PO4) · 3H2OMineral—
LehneriteMn2+(UO2)2(PO4)2 · 8H2OMineral—
Meta-ankoleiteK(UO2)(PO4) · 3H2OMineral—
Meta-autuniteCa(UO2)2(PO4)2 · 6H2OMineral—
MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2OMineral—- MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2OMineral—
- MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2OMineral—
- MetalodèviteZn(UO2)2(AsO4)2 · 10H2OMineral—
Literature, links & citation
Citations
- 1951Frondel, Clifford (1951) Studies of uranium minerals (IX): Saléeite and novacekite. American Mineralogist, 36 (9-10) 680-686
- 1955Donnay, G., Donnay, J.D.H. (1955) Contribution to the crystallography of uranium minerals. in Contribution to the Crystallography of Uranium Minerals, Geological Survey for the United States Atomic Energy Commission, Technical Information Service (Oak Ridge): 1-42.
- 1958Walenta, Kurt (1958) Die sekundären Uranmineralien des Schwarzwaldes. Jahreshefte des geologischen Landesamtes in Baden-Württemberg: 3: 17-51.
- 1961Walenta, K., Wimmenauer, W. (1961) Der Mineralbestand des Michaelganges im Weiler bei Lahr (Schwarzwald). Jahreshefte des Geologischen Landesamts Baden-Württemberg: 4: 7-37 (in German).
- 1964Walenta, Kurt, Walenta, Kurt (1964) Beiträge zur Kenntnis seltener Arsenatmineralien unter besonderer Berücksichtigung von Vorkommen des Schwarzwaldes. 1. Folge. [Rare arsenate minerals with special consideration of occurrences in the Black Forest. Part I]. Tschermaks Mineralogische und Petrographische Mitteilungen, 9 (1). 111-174 doi:10.1007/bf01127780DOI: 10.1007/bf01127780
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Metanováčekite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/metanovacekite-2681},
note = {Accessed 2026-05-11}
}