Pharmacoalumite R060411

Name: Pharmacoalumite
RRUFF ID: R060411
Ideal Chemistry: KAl4(AsO4)3(OH)4·6.5H2O
Locality: Maria Josefa, Rodalquilar, Almeria Province, Spain
Source: Bob Jenkins [view label]
Owner: RRUFF
Description: Pale green, yellow and colorless transparent single cubes associated with quartz
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ pharmacosiderite (4) ]
RRUFF ID: R060411.2
Sample Description: Microprobe Fragment
Measured Chemistry: (K0.75Na0.25)Σ=1(Al3.94Fe3+0.06)Σ=4(As1.00O4)3(OH)4·6.5H2O ; H not measured but estimated by difference and stoichiometry
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R060411
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 50% of 150mW
RRUFF ID: R060411.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.713(9)Å    b: 7.713(9)Å    c: 7.713(9)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 458.9(1)Å3    Crystal System: cubic
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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Pharmacoalumite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Zemann J (1947) Formel und strukturtyp des pharmakosiderits, Experientia, 3, 452-452

Zemann J (1948) Formel und strukturtyp des pharmakosiderits, Tschermaks Mineralogische und Petrographische Mitteilungen, 1, 1-13

Cabri L J, Fleischer M, Pabst A (1981) New mineral names, American Mineralogist, 66, 1099-1103   [view file]

Schmetzer K, Horn W, Bank H (1981) Alumopharmacosiderite, KAl4(AsO4)3(OH)4·6.5H2O, a new mineral, Neues Jahrbuch für Mineralogie, Monatshefte, 1981, 97-102

Rumsey M S, Mills S J, Spratt J (2010) Natropharmacoalumite, NaAl4[(OH)4(AsO4)3]·4H2O, a new mineral of the pharmacosiderite supergroup and the renaming of aluminopharmacosiderite to pharmacoalumite, Mineralogical Magazine, 74, 929-936   [view file]

Williams P A, Hatert F, Pasero M, Mills S (2010) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 2. New minerals and nomenclature modifications approved in 2010, Mineralogical Magazine, 74, 375-377   [view file]