Ermeloite
A valid IMA mineral species
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Formula:
Al(PO4) · H2O
Crystal System:
Monoclinic
Member of:
Type Locality:
Unique Identifiers
Mindat ID:
56152
Long-form identifier:
mindat:1:1:56152:5
GUID
(UUID V4):
(UUID V4):
2a9b543e-b34b-4ef0-8623-9ecb096bd4b6
IMA Classification of Ermeloite
Approved, Pending publication
Approval history:
IMA no. 2021-017a
Classification of Ermeloite
8.CB.
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
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 |
|---|---|---|
| Erm | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Chemistry of Ermeloite
Mindat Formula:
Al(PO4) · H2O
Elements listed:
Crystallography of Ermeloite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 6:5371(4) Å, b = 7.5670(5) Å, c = 7.1146(5) Å
β = 115.335(2)°
β = 115.335(2)°
Ratio:
a:b:c = 0.793 : 1 : 0.94
Unit Cell V:
291.95 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.653 Å | (67) |
| 4.570 Å | (33) |
| 3.275 Å | (100) |
| 3.197 Å | (44) |
| 2.871 Å | (25) |
| 2.471 Å | (40) |
| 2.449 Å | (30)2 |
| .052 Å | (15) |
Type Occurrence of Ermeloite
Place of Conservation of Type Material:
mineralogical collections of the Museo de Historia Natural (MHN), University of Santiago de Compostela, Parque Vista Alegre s/n, 15782 Santiago de Compostela, Spain, catalogue number CM64083
Relationship of Ermeloite to other Species
Member of:
Other Members of this group:
| Cobaltkieserite | CoSO4 · H2O | Mon. 2/m : B2/b |
| Dwornikite | Ni(SO4) · H2O | Mon. 2/m : B2/b |
| Gunningite | ZnSO4 · H2O | Mon. 2/m : B2/b |
| Kieserite | MgSO4 · H2O | Mon. 2/m : B2/b |
| Serrabrancaite | MnPO4 · H2O | Mon. 2/m : B2/b |
| Szmikite | MnSO4 · H2O | Mon. 2/m : B2/b |
| Szomolnokite | FeSO4 · H2O | Mon. 2/m : B2/b |
Related Minerals - Strunz-mindat Grouping
| 8.CB. | Krupičkaite | Cu6[AsO3(OH)]6 · 8H2O |
| 8.CB.05 | Serrabrancaite | MnPO4 · H2O |
| 8.CB.10 | Hureaulite | Mn2+5(PO3OH)2(PO4)2 · 4H2O |
| 8.CB.10 | Villyaellenite | MnMn2Ca2(AsO4)2(HAsO4)2 · 4H2O |
| 8.CB.10 | UM1997-09-AsO:CaHMgZn | (Mg,Ca,Zn)5(AsO4)2(HAsO4)2 · 4H2O |
| 8.CB.10 | Nyholmite | Cd3Zn2(AsO4)2(HAsO4)2 · 4H2O |
| 8.CB.10 | Miguelromeroite | MnMn2Mn2(AsO4)2(HAsO4)2 · 4H2O |
| 8.CB.10 | Giftgrubeite | CaMn2Ca2(AsO4)2(AsO3OH)2 · 4H2O |
| 8.CB.15 | Krautite | Mn(HAsO4) · H2O |
| 8.CB.20 | Cobaltkoritnigite | Co(AsO3OH) · H2O |
| 8.CB.20 | Koritnigite | Zn(AsO3OH) · H2O |
| 8.CB.20 | Magnesiokoritnigite | Mg(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 | Burgessite | Co2(H2O)4[AsO3(OH)]2(H2O) |
| 8.CB.60 | Honzaite | Ni2(AsO3OH)2 · 5H2O |
| 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 Ermeloite
mindat.org URL:
https://www.mindat.org/min-56152.html
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References for Ermeloite
Localities for Ermeloite
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Spain (TL) | |
| Miyawaki et al. (2022) |
