Mineralienatlas - Fossilienatlas
Pharmacoalumite (Alumopharmacosiderit) |
Pictures (2 Images total)
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Pharmakoalumit Bildbreite: 4 mm, Fundort: Emma Luisa Mine, Guanaco, Santa Catalina, Provinz Antofagasta, II. Region, Chile Copyright: Leonardus; Contribution: thdun5 Location: Chile/Antofagasta, Region (II. Region)/Antofagasta, Provinz/Santa Catalina/El Guanaco Erzlagerstätte (Huanaco)/Emma Luisa Mine Mineral: Pharmacoalumite Image: 1407941703 License: Usage for Mineralienatlas project only |
Pharmakoalumit |
Bildbreite: 4 mm, Fundort: Emma Luisa Mine, Guanaco, Santa Catalina, Provinz Antofagasta, II. Region, Chile |
Copyright: | Leonardus |
Contribution: thdun5 2014-08-13 |
Locality: Emma Luisa Mine / El Guanaco Erzlagerstätte (Huanaco) / Santa Catalina / Antofagasta, Provinz / Antofagasta, Region (II. Region) / Chile |
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Pharmakoalumit von der Chuquicamata Mine bei Calama, Antofagasta, Chile; weiße derbe Kruste auf Quarz mit blauem Coeruleit; BB = 6,0 mm Copyright: Peter Köhlen; Contribution: Münchener Micromounter Collection: Lithothek der Münchener Micromounter, Collection number: A000497, Donator: Klaus Fleck Location: Chile/Antofagasta, Region (II. Region)/El Loa, Provinz/Calama/Chuquicamata District/Chuquicamata Mine Mineral: Pharmacoalumite Image: 1467206372 License: Usage for Mineralienatlas project only |
Pharmakoalumit (SNr: A000497) |
von der Chuquicamata Mine bei Calama, Antofagasta, Chile; weiße derbe Kruste auf Quarz mit blauem Coeruleit; BB = 6,0 mm |
Collection: | Lithothek der Münchener Micromounter |
Copyright: | Peter Köhlen |
Contribution: Münchener Micromounter 2016-06-29 |
Locality: Chuquicamata Mine / Chuquicamata District / Calama / El Loa, Provinz / Antofagasta, Region (II. Region) / Chile |
Collectors Summary
Color | weiß, blass gelb |
Streak color | weiß |
Lustre | Subglasglanz, Matt, Wachsglanz |
Hardness (Mohs) | 2.5 |
Solubility | +++ heiße Säuren |
Crystal System | kubisch, P43m |
Additional information / Summary
Ursprünglich im Jahre 1981 von Karl Schmetzer, Wolfgang Horn, und Hermann Bank, in Anspielung auf Aluminium in der Zusammensetzung und der Beziehung zu Pharmacosiderit, als Alumopharmacosiderit benannt. Umbenannt von Rumsey et al zu Pharmacoalumit (2010). |
Chemism
Chemical formula |
KAl4(AsO4)3(OH)4·6.5H2O |
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Chemical composition |
Aluminium, Arsen, Kalium, Sauerstoff, Wasserstoff |
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Analysis wt% |
Ø As2O5 : 44.30, Fe2O3 : 3.90, Al2O3 : 24.00, K2O : 7.50, H2O : 20.30 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 81) |
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Strunz 9th edition incl. updates |
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8: Phosphate, Arsenate, Vanadate |
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Lapis Classification |
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VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!) |
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Classification by Hölzel |
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8: PHOSPHATES ARSENATES VANADATES |
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Hey's Chemical Index of Minerals |
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20: Arsenates (also arsenates with phosphate, but without other anions) |
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IMA status |
Anerkannt von der CNMNC |
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Mineral status |
anerkanntes Mineral |
IMA Classification
IMA Classification |
Pharmacosiderite supergroup ⇒ Pharmacoalumite group |
Optical Properties
weiß, blass gelb |
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weiß |
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durchscheinend |
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Subglasglanz, Matt, Wachsglanz |
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RI value α / ω / n |
1.565 |
Ri mean |
1.565 |
2V angle |
Isotropisch |
Crystallography
Crystals 3D
Open larger view |
Crystal Structure 3D
Open larger view |
Physical Properties
2.5 |
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2.68 (berechnet) |
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2.677 ( ρ calc. Mineralienatlas ) |
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spröde |
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Instability |
+++ heiße Säuren |
(Co-)Type locality
(Co-)Type locality |
Chile/Antofagasta, Region (II. Region)/Antofagasta, Provinz/Santa Catalina/El Guanaco Erzlagerstätte (Huanaco)/Emma Luisa Mine |
Preface
Author (Name, Year) |
Schmetzer & Horn & Banj, 1981 |
References
IMA group assignments
Refresh list | Actuality: 25. Mar 2023 - 15:10:32 |
Other languages
French |
Alumopharmacosiderite |
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English |
Pharmacoalumite |
IMA 10-A: Proposal to rename alumopharmacosiderite to pharmacoalumite and establish a formal group nomenclature system for mineral species structurally related to pharmacosiderite. |
German |
Pharmakoalumit |
Alternative Name
Italian |
Alumofarmacolita |
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German |
Alumofarmacosiderit |
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Spanish |
Alumofarmacosiderita |
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Italian |
Alumofarmacosiderite |
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German |
Alumopharmacolit |
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Spanish |
Alumopharmacolita |
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Alumopharmacolite |
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German |
Alumopharmacosiderit |
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Alumopharmacosiderita |
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English |
Alumopharmacosiderite |
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German |
Alumopharmakosiderit |
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German |
Pharmacoalumit |
als neuer Name vorgeschlagen: Mineralogical Magazine, February 2010, Vol. 74(1), pp. 375-377 |
CNMNC (IMA)-Number
IMA 1980-002 |
CNMNC symbol
Symbol |
Pal |
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Mineral Dealer
Locations with GPS information