Metaheinrichite
A valid IMA mineral species - grandfathered
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About Metaheinrichite
Formula:
Ba(UO2)2(AsO4)2 · 8H2O
Colour:
green, yellow
Lustre:
Vitreous, Pearly
Hardness:
2½
Specific Gravity:
4.04
Crystal System:
Monoclinic
Member of:
Name:
Named as a lower hydrate and for Eberhardt "Abe" William Heinrich (10 February 1918, Braunschweig, Germany - 8 July 1991, Ann Arbor, Michigan, USA), mineralogist, University of Michigan, Ann Arbor, MI, USA. It was named at the same time as heinrichite.
Unique Identifiers
Mindat ID:
2673
Long-form identifier:
mindat:1:1:2673:0
GUID
(UUID V4):
(UUID V4):
e76ce49b-59f3-4f9b-bbdf-a38382993585
IMA Classification of Metaheinrichite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1958
Classification of Metaheinrichite
8.EB.10
8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
Dana 7th ed.:
40.2.4.2
40.2a.4.2
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
20.7.11
20 : Arsenates (also arsenates with phosphate, but without other anions)
7 : Arsenates of U
20 : Arsenates (also arsenates with phosphate, but without other anions)
7 : Arsenates of U
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Mhrc | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Metaheinrichite
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
Physical Properties of Metaheinrichite
Vitreous, Pearly
Transparency:
Transparent, Translucent
Colour:
green, yellow
Streak:
yellowish white
Hardness:
2½ on Mohs scale
Cleavage:
Perfect
Perfect on {001}, Distinct on {100}
Perfect on {001}, Distinct on {100}
Fracture:
Irregular/Uneven
Density:
4.04 g/cm3 (Measured) 4.0 g/cm3 (Calculated)
Optical Data of Metaheinrichite
Type:
Uniaxial (-)
RI values:
nω = 1.637 - 1.641 nε = 1.608 - 1.609
Max Birefringence:
δ = 0.029 - 0.032
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Pleochroism:
Visible
Comments:
O = pale yellow; E = colorless.
Comments:
may be anomalously biaxial (-).
Chemistry of Metaheinrichite
Mindat Formula:
Ba(UO2)2(AsO4)2 · 8H2O
Crystallography of Metaheinrichite
Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
P21
Setting:
P21
Cell Parameters:
a = 7.08 Å, b = 17.7 Å, c = 7.09 Å
β = 90.02°
β = 90.02°
Ratio:
a:b:c = 0.4 : 1 : 0.401
Unit Cell V:
885.23 ų
Z:
2
Morphology:
.
Comment:
expected crystal-data from synthetic meta-uranocircite I,
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
8.90 Å | (vs) |
3.75 Å | (s) |
5.54 Å | (ms) |
4.42 Å | (ms) |
3.55 Å | (ms) |
3.28 Å | (ms) |
4.99 Å | (m) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47d : [Arsenates, antimonates, selenates, bismuthinates] | |
47f : [Uranyl (U⁶⁺) minerals] |
Type Occurrence of Metaheinrichite
Co-Type Localities:
General Appearance of Type Material:
tabular {001} crystals of square or rectangular outline
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 115884.
Associated Minerals at Type Locality:
Reference:
Gross, E. B., Corey, A. S., Mitchell, R. S., Walenta, K. (1958): Heinrichite and metaheinrichite, hydrated barium uranyl arsenate minerals. American Mineralogist: 43: 1134-1143.
Other Language Names for Metaheinrichite
German:Metaheinrichit
Spanish:Metaheinrichita
Relationship of Metaheinrichite to other Species
Member of:
Other Members of this group:
Abernathyite | K(UO2)(AsO4) · 3H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc |
Chernikovite | (H3O)2(UO2)2(PO4)2 · 6H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
Lehnerite | Mn2+(UO2)2(PO4)2 · 8H2O | Mon. 2/m |
Meta-ankoleite | K2(UO2)2(PO4)2 · 6H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
Meta-autunite | Ca(UO2)2(PO4)2 · 6H2O | Tet. 4/mmm (4/m 2/m 2/m) |
Metakahlerite | Fe2+(UO2)2(AsO4)2 · 8H2O | Tric. 1 : P1 |
Metakirchheimerite | Co(UO2)2(AsO4)2 · 8H2O | Tric. 1 : P1 |
Metalodèvite | Zn(UO2)2(AsO4)2 · 10H2O | Tet. 4/m : P42/m |
Metanatroautunite | Na(UO2)(PO4)(H2O)3 | Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc |
Metanováčekite | Mg(UO2)2(AsO4)2 · 8H2O | Tet. 4/m : P4/n |
Metarauchite | Ni(UO2)2(AsO4)2 · 8H2O | Tric. 1 : P1 |
Metasaléeite | Mg(UO2)2(PO4)2 · 8H2O | |
Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O | Tet. 4/m : P4/n |
Metauranocircite | Ba(UO2)2(PO4)2 · 7H2O | Mon. 2 : P21 |
Metauranospinite | Ca(UO2)2(AsO4)2 · 8H2O | Tet. 4/m : P42/n |
Metazeunerite | Cu(UO2)2(AsO4)2 · 8H2O | Tet. 4/m : P42/n |
Natrouranospinite | Na2(UO2)2(AsO4)2 · 5H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
Trögerite | (H3O)(UO2)(AsO4) · 3H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
Uramarsite | (NH4)(UO2)(AsO4) · 3H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm |
Uramphite | (NH4)2(UO2)2(PO4)2 · 6H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc |
Common Associates
Associated Minerals Based on Photo Data:
3 photos of Metaheinrichite associated with Erythrite | Co3(AsO4)2 · 8H2O |
3 photos of Metaheinrichite associated with Hydronováčekite | Mg(UO2)2(AsO4)2 · 12H2O |
3 photos of Metaheinrichite associated with Heinrichite | Ba(UO2)2(AsO4)2 · 10H2O |
3 photos of Metaheinrichite associated with Umohoite | (UO2)MoO4 · 2H2O |
2 photos of Metaheinrichite associated with Metazeunerite | Cu(UO2)2(AsO4)2 · 8H2O |
2 photos of Metaheinrichite associated with Zeunerite | Cu(UO2)2(AsO4)2 · 12H2O |
1 photo of Metaheinrichite associated with Cobaltkoritnigite | Co(AsO3OH) · H2O |
Related Minerals - Strunz-mindat Grouping
8.EB. | Meta-autunite Group | A1-2(UO2)2(TO4)2 · 5-10H2O |
8.EB.05 | Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
8.EB.05 | Heinrichite | Ba(UO2)2(AsO4)2 · 10H2O |
8.EB.05 | Kahlerite | Fe(UO2)2(AsO4)2 · 12H2O |
8.EB.05 | Hydronováčekite | Mg(UO2)2(AsO4)2 · 12H2O |
8.EB.05 | Saléeite | Mg(UO2)2(PO4)2 · 10H2O |
8.EB.05 | Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
8.EB.05 | Uranocircite | Ba(UO2)2(PO4)2 · 10H2O |
8.EB.05 | Uranospinite | Ca(UO2)2(AsO4)2 · 10H2O |
8.EB.05 | Xiangjiangite | (Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2O |
8.EB.05 | Zeunerite | Cu(UO2)2(AsO4)2 · 12H2O |
8.EB.05 | Metarauchite | Ni(UO2)2(AsO4)2 · 8H2O |
8.EB.05 | Nováčekite | Mg(UO2)2(AsO4)2 · 10H2O |
8.EB.05 | Rauchite | Ni(UO2)2(AsO4)2 · 10H2O |
8.EB.10 | Bassetite | Fe2+(UO2)2(PO4)2 · 10H2O |
8.EB.10 | Lehnerite | Mn2+(UO2)2(PO4)2 · 8H2O |
8.EB.10 | Meta-autunite | Ca(UO2)2(PO4)2 · 6H2O |
8.EB.10 | Metasaléeite | Mg(UO2)2(PO4)2 · 8H2O |
8.EB.10 | Metauranocircite | Ba(UO2)2(PO4)2 · 7H2O |
8.EB.10 | Metauranospinite | Ca(UO2)2(AsO4)2 · 8H2O |
8.EB.10 | Metakahlerite | Fe2+(UO2)2(AsO4)2 · 8H2O |
8.EB.10 | Metakirchheimerite | Co(UO2)2(AsO4)2 · 8H2O |
8.EB.10 | Metanováčekite | Mg(UO2)2(AsO4)2 · 8H2O |
8.EB.10 | Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
8.EB.10 | Metazeunerite | Cu(UO2)2(AsO4)2 · 8H2O |
8.EB.10 | Przhevalskite | Pb2(UO2)3(PO4)2(OH)4 · 3H2O |
8.EB.10 | Pseudo-autunite | (H3O)4Ca2(UO2)2(PO4)4 · 5H2O |
8.EB.10 | Metanatroautunite | Na(UO2)(PO4)(H2O)3 |
8.EB.15 | Abernathyite | K(UO2)(AsO4) · 3H2O |
8.EB.15 | Chernikovite | (H3O)2(UO2)2(PO4)2 · 6H2O |
8.EB.15 | Meta-ankoleite | K2(UO2)2(PO4)2 · 6H2O |
8.EB.15 | Natrouranospinite | Na2(UO2)2(AsO4)2 · 5H2O |
8.EB.15 | Trögerite | (H3O)(UO2)(AsO4) · 3H2O |
8.EB.15 | Uramphite | (NH4)2(UO2)2(PO4)2 · 6H2O |
8.EB.15 | Uramarsite | (NH4)(UO2)(AsO4) · 3H2O |
8.EB.20 | Threadgoldite | Al(UO2)2(PO4)2(OH) · 8H2O |
8.EB.20 | Chistyakovaite | Al(UO2)2(AsO4)2(F,OH) · 6.5H2O |
8.EB.25 | Arsenuranospathite | Al(UO2)2(AsO4)2F · 20H2O |
8.EB.25 | Uranospathite | (Al,◻)(UO2)2(PO4)2F · 20(H2O,F) |
8.EB.30 | Vochtenite | (Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O |
8.EB.35 | Coconinoite | Fe3+2Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2O |
8.EB.40 | Ranunculite | HAl(UO2)(PO4)(OH)3 · 4H2O |
8.EB.45 | Triangulite | Al3(UO2)4(PO4)4(OH)5 · 5H2O |
8.EB.50 | Furongite | Al13(UO2)7(PO4)13(OH)14 · 58H2O |
8.EB.55 | Sabugalite | HAl(UO2)4(PO4)4 · 16H2O |
8.EB.60 | Horákite | (Bi7O7OH)[(UO2)4(PO4)2(AsO4)2(OH)2] · 3.5H2O |
Fluorescence of Metaheinrichite
Fluoresces bright green to greenish yellow under SW and LW UV.
Other Information
Health Risks:
Radioactive.
Internet Links for Metaheinrichite
mindat.org URL:
https://www.mindat.org/min-2673.html
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References for Metaheinrichite
Reference List:
Gross, E. B., Corey, A. S., Mitchell, R. S., Walenta, K. (1958) Heinrichite and metaheinrichite, hydrated barium uranyl arsenate minerals. American Mineralogist, 43 (11-12) 1134-1143
Locock, A. J., Burns, P. C., Flynn, T. M. (2005) Structures of strontium- and barium-dominant compounds that contain the autunite-type sheet. The Canadian Mineralogist, 43 (2) 721-733 doi:10.2113/gscanmin.43.2.721
Localities for Metaheinrichite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
France | |
| - (1998) |
| Caubel (1997) |
Germany | |
| Blaß et al. (2016) +1 other reference |
| Wittern (2001) |
| Walenta (1992) |
| Weiß (1990) |
| |
| |
Walenta (1992) | |
| [Lapis 1992 |
| |
| |
Steen (2007) | |
| Walenta (1992) |
| Walenta (1992) |
| Walenta (1992) |
| Walenta (1992) |
| Aufschluss 69/ (7+8) +1 other reference |
| Weiß (1990) |
| Gröbner et al. (2007) +1 other reference |
Spain | |
| Arrufat et al. (2015) |
Mario Jesús Campos. Analyzed by XRD ... | |
USA (TL) | |
| Gross et al. (1958) |
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Schmiedestollen dump, Wittichen, Schenkenzell, Rottweil, Freiburg Region, Baden-Württemberg, Germany