UM1997-09-AsO:CaHMgZn
Valid as an unnamed mineral
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Formula:
(Mg,Ca,Zn)5(AsO4)2(HAsO4)2 · 4H2O
Colour:
milky white, colourless
Crystal System:
Monoclinic
Originally described as "Mg-Villyaellenite" by Ondruš et al. (1997).
Kampf et al. (2016) strongly suggest that this phase is chongite, a member of the Huréaulite Group.
Kampf et al. (2016) strongly suggest that this phase is chongite, a member of the Huréaulite Group.
Unique Identifiers
Mindat ID:
7653
Long-form identifier:
mindat:1:1:7653:7
IMA Classification of UM1997-09-AsO:CaHMgZn
IMA status notes:
Unnamed (probably valid)
Approval history:
Unnamed, and probably invalid.
Classification of UM1997-09-AsO:CaHMgZn
8.CB.10
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
B : With only medium-sized cations, RO4:H2O = 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
B : With only medium-sized cations, RO4:H2O = 1:1
39.2.1.4
39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
2 : (AB)5[HXO4]2[XO4]2.xH2O
39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
2 : (AB)5[HXO4]2[XO4]2.xH2O
Physical Properties of UM1997-09-AsO:CaHMgZn
Colour:
Milky white, colourless
Chemistry of UM1997-09-AsO:CaHMgZn
Mindat Formula:
(Mg,Ca,Zn)5(AsO4)2(HAsO4)2 · 4H2O
Element Weights:
Crystallography of UM1997-09-AsO:CaHMgZn
Crystal System:
Monoclinic
Cell Parameters:
a = 18.588 Å, b = 9.413 Å, c = 9.976 Å
β = 96.91°
β = 96.91°
Ratio:
a:b:c = 1.975 : 1 : 1.06
Unit Cell V:
1732.81 ų
Synonyms of UM1997-09-AsO:CaHMgZn
Related Minerals - Strunz-mindat Grouping
| 8.CB. | Krupičkaite | Cu6[AsO3(OH)]6 · 8H2O |
| 8.CB.05 | Ermeloite | Al(PO4) · H2O |
| 8.CB.05 | Serrabrancaite | MnPO4 · H2O |
| 8.CB.10 | Nyholmite | Cd3Zn2(AsO3OH)2(AsO4)2 · 4H2O |
| 8.CB.10 | Villyaellenite | (Mn,Ca)Mn2Ca2(AsO3OH)2(AsO4)2 · 4H2O |
| 8.CB.10 | Giftgrubeite | CaMn2Ca2(AsO4)2(AsO3OH)2 · 4H2O |
| 8.CB.10 | Hureaulite | Mn2+5(PO3OH)2(PO4)2 · 4H2O |
| 8.CB.10 | Miguelromeroite | Mn2+5(AsO3OH)2(AsO4)2(H2O)4 |
| 8.CB.15 | Krautite | Mn(HAsO4) · H2O |
| 8.CB.20 | Cobaltkoritnigite | Co(AsO3OH) · H2O |
| 8.CB.20 | Magnesiokoritnigite | Mg(AsO3OH) · H2O |
| 8.CB.20 | Koritnigite | Zn(AsO3OH) · H2O |
| 8.CB.25 | Yvonite | Cu(HAsO4) · 2H2O |
| 8.CB.30 | Geminite | Cu2+(AsO3OH) · H2O |
| 8.CB.35 | Schubnelite | Fe3+VO4 · H2O |
| 8.CB.40 | Radovanite | Cu2Fe3+(AsO4)(HAs3+O3)2 · H2O |
| 8.CB.45 | Kazakhstanite | Fe3+5V4+3V5+12O39(OH)9 · 9H2O |
| 8.CB.50 | Kolovratite | NixZny(VO4)0.67(x+y) · nH2O |
| 8.CB.60 | Honzaite | Ni2(AsO3OH)2 · 5H2O |
| 8.CB.60 | Burgessite | Co2(H2O)4[AsO3(OH)]2(H2O) |
| 8.CB.65 | Cardite | Zn5.5(AsO4)2(AsO3OH)(OH)3 · 3H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for UM1997-09-AsO:CaHMgZn
mindat.org URL:
https://www.mindat.org/min-7653.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for UM1997-09-AsO:CaHMgZn
Reference List:
Ondruš, P., Veselovský, F., Hloušek, J., Skála, R., Vavřín, I., Frýda, J., Čejka, J., Gabašová, A. (1997) Secondary minerals of the Jáchymov (Joachimsthal) ore district. Journal of the Czech Geological Society, 42 (4). 3-69 (Abs. in: Jambor, J.L., Puziewicz, J., Roberts, A.C. (1999): New mineral names. American Mineralogist: 84: 687)
Localities for UM1997-09-AsO:CaHMgZn
ⓘ - 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.
- 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).
All localities listed without proper references should be considered as questionable.
Czech Republic | |
| [AmMin 84:688] |
