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Pharmacosiderite

Pictures (89 Images total)

Pharmakosiderit
Views (Image: 1271322441): 2972
Pharmakosiderit

Größe: 1,67 mm; Fundort: Calafuria, Livorno, Provinz, Toskana (Toscana), Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-04-15
Locality: Calafuria / Livorno, Provinz / Toskana (Toscana) / Italien
Pharmakosiderit
Views (Image: 1412711812): 422
Pharmakosiderit (SNr: A027236)

Würfelförmige gelbe Kristalle, BB = 1,5 mm; Fundort: Hilarion-Stollen Nr. 50, Kamariza, Lavrion, Attika, Griechenland.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2014-10-07
Locality: Hilarion Mine (Hilarion-Stollen, Mine Nr. 50) / Kamariza / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland
Pharmakosiderit
Views (Image: 1271322403): 2713
Pharmakosiderit

Größe: 1,13 mm; Fundort: Calafuria, Livorno, Provinz, Toskana (Toscana), Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-04-15
Locality: Calafuria / Livorno, Provinz / Toskana (Toscana) / Italien
Pharmakosiderit
Views (Image: 1225451780): 3242
Pharmakosiderit

Bildbreite: 2 mm; Fundort: Alto das Quelhas do Gestoso Minen, Gestoso, Manhouce, São Pedro do Sul, Distrikt Viseu, Portugal

Copyright: Christian Rewitzer
Contribution: Hg 2008-10-31
Locality: Alto das Quelhas do Gestoso Minen / Gestoso / Manhouce / São Pedro do Sul / Viseu, Distrikt / Portugal
Skorodit, Pharmakosiderit
Views (Image: 1295117088): 1451
Skorodit, Pharmakosiderit

Skorodit (blau) mit Pharmakosiderit (orange), Bildbreite: 6 mm, Fundort: Hemerdon Ball, Plympton, Devon Co., England, UK

Copyright: Richard De Nul
Contribution: thdun5 2011-01-15
Locality: Hemerdon Mine (Hemerdon Bal Mine) / Plympton / Plymouth / Devon Co. / England / UK
Dufrénit mit Pharmakosiderit
Views (Image: 1271925928): 4624, Rating: 8.11
Dufrénit mit Pharmakosiderit

Größe: 2,95 mm; Fundort: Les Montmins Mine, Echassières, Ebreuil, Allier, Auvergne, Frankreich

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-04-22
Locality: Les Montmins (Sainte Barbe filon) / Echassières / Ebreuil, Kanton / Montluçon, Arrondissement / Allier, Département / Auvergne-Rhône-Alpes, Region / Frankreich

Collectors Summary

Color olivgrün, smaragdgrün, rötlichbraun, gelblichbraun, honiggelb
Streak color gelblich grün
Lustre Diamantglanz/Fettglanz
Hardness (Mohs) 2.5
Solubility +++ HCl
Crystal System kubisch, P43m
Morphology Gute Kristalle meist kubisch, diagonal gestreift, {111}, {111}, {011}, {122}, bis 2 Zentimeter, selten als verzwillingte Tetrahedra

Chemism

Chem­ical formula

KFe43+(AsO4)3(OH)4·6-7H2O

Chem­ical com­po­si­tion

Arsen, Eisen, Kalium, Sauerstoff, Wasserstoff

Unit weight: 864.36619 u; Number of atoms in the formula: 47.5

Info

Empirical formula:

KFe4(AsO4)3(OH)4·6.5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.98

17

35.79

1.0079470

17.1350990

Oxygen

O

41.65

22.5

47.37

15.9994300

359.9871750

Potassium

K

4.52

1

2.11

39.0983100

39.0983100

Iron

Fe

25.84

4

8.42

55.8452000

223.3808000

Arsenic

As

26.00

3

6.32

74.9216020

224.7648060

Anal­y­sis wt%

K2O : 4.54, Fe2O3 : 37.58, As2O5 : 37.16, P2O5 : 1.20, H2O : 18.85 (Ref: Dana, 7th ed. 2)

Strunz 9th edi­tion incl. updates

8.DK.10

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
K: Mit großen und mittelgroßen [Kationen], (OH, etc.):RO4 > 1:1 und < 2:1
10:Pharmakosiderit-Gruppe

Lapis Clas­sifica­tion

VII/D.47-020

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
D: Wasserhaltige Phosphate, mit fremden Anionen
47: Mittelgroße und sehr große Kationen: Al-Mg und Ca-Na-K

Clas­sifica­tion by Hölzel

8.DI.215

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
I: C large, V=1(2) - C small-medium, V=2,3,4
2: C small-medium, V=3 - XO4/OH<1 PharmacosideriteWardit-Group

Hey's Chem­ical Index of Min­er­als

20.09.09

20: Arsenates (also arsenates with phosphate, but without other anions)
09: Arsenates of Fe

Dana 8th edi­tion

42.08.01.01

42: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
08: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen where (AB)7 (XO4)4 Zq · x(H2O)
01: Pharmacosiderite Group

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Pharmacosiderite supergroup  ⇒ Pharmacosiderite group

Optical Properties

Color

olivgrün, smaragdgrün, rötlichbraun, gelblichbraun, honiggelb

Streak color

gelblich grün

Diaphane­ity (Trans­parency)

teilweise transparent bis teilweise durchscheinend

Lus­tre

Diamantglanz/Fettglanz

RI value α / ω / n

1.687

Ri mean

1.687

2V angle

Isotropisch

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

43m

Space Group number

215

Space Group

P43m

Cell param­e­ters a (Å)

7.96

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

1

Volumne (ų)

504.358

Kristall struc­ture

S. J. Mills, S. L. Hager, P. Leverett, P.A. Williams, M. Raudsepp: The structure of H3O+-exchanged pharmacosiderite. Mineral Mag 74 (2010) S.487-492.

X-Ray Pow­der Diffrac­tion

Pednandrea mine, Cornwall, England:
8.0(90),
4.61(100),
3.259(70),
2.822(60),
2.408(80),
2.303(50),
1.784(60),
1.596(60);

Morphol­ogy

Gute Kristalle meist kubisch, diagonal gestreift, {111}, {111}, {011}, {122}, bis 2 Zentimeter, selten als verzwillingte Tetrahedra

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.5

VHN (Hard­ness Vick­ers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.8 - 3 (gemessen) 2.792 (berechnet)

2.846 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HCl

Preface

Occurrences

Oxidationsprodukt von Arsen-haltigen Sulfiden

Asso­cia­tions

Scorodit, Beudantit, Karminit, Arseniosiderit, Symplesit, Jarosit, Limonit.

Rare­ness

Nicht selten, kommt in vielen Lokationen in geringen Mengen vor.

Author (Name, Year)

Hausmann, 1813

Addi­tional Informa­tion

Ausgezeichnete bis cm-grosse Kristalle von Bou Azzer, Marokko.

References

Zemann, J. (1948): Formula and structural type of pharmacosiderite. Mineralog. u. petrog. Mitt. 1, 1-13.

Zemann, J. (1959): Isotypes between pharmacosiderite and zeolitic germanates. Acta Cryst. 12, 252. (in German.)

Zeitschrift für Kristallographie 125 (1967), 92.

Powder Diffraction File (International Center for Diffraction Data) 34-155.

MUTTER, G., GREIS, O., and EYSEL, W. (1982): Strukturvarianten und Eigenschaften von Pharmakosideriten. Fortschr. Mineral., 60, Beiheft 1, 151-152.

Neues Jahrbuch für Mineralogie, Monatshefte (1984), 183

Handbook of Mineralogy (Anthony u.w.), 4 (2000), 452.

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Natropharmacoalumite

NaAl4(AsO4)3(OH)4·4H2O

kubisch : 43m : P43m

8.DK.10

Hydroniumpharmacosiderite

(H3O)Fe4(AsO4)3(OH)4·4H2O

kubisch : 43m : P43m

8.DK.10

Pharmacosiderite

KFe43+(AsO4)3(OH)4·6-7H2O

kubisch : 43m : P43m

8.DK.10

Pharmacoalumite

KAl4(AsO4)3(OH)4·6.5H2O

kubisch : 43m : P43m

8.DK.10

Bariopharmacosiderite

(Ba,Ca)0.5-1Fe3+4[(OH)4-5|(AsO4)3]·5-7H2O

tetragonal : 42m : P42m

8.DK.10

Natropharmacosiderite

Na2Fe3+4(AsO4)3(OH)5·7H2O

kubisch : 43m : P43m

8.DK.10

Caesiumpharmacosiderite

CsFe4[(AsO4)3(OH)4]·4H2O

kubisch : 43m : P43m

8.DK.10

Plumbopharmacosiderite

Pb0.5Fe3+4(AsO4)3(OH)4·5H2O

kubisch : 43m : P43m

8.DK.10

Hydroniumpharmacoalumite

(H3O)Al4(AsO4)3(OH)4·4.5H2O

kubisch : 43m : P43m

8.DK.10

Strontiopharmacosiderite

Sr0.5Fe4[(AsO4)3(OH)4]·4H2O

tetragonal : 42m : P42m

8.DK.10

Thalliumpharmacosiderite

TlFe4[(AsO4)3(OH)4]·4H2O

kubisch : 43m : P43m

8.DK.10

'Calcium-Pharmacosiderite' (Var.v. Pharmacosiderite)

(Ba,Ca)0.5(Fe3+)4(AsO4)(OH)4·5H2O

8.DK.10

'Barium-alumopharmacosiderite'

Ba(Al,Fe3+)4(AsO4)3(OH)5·5H2O

8.DK.10

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Natropharmacoalumite

NaAl4(AsO4)3(OH)4·4H2O

kubisch : 43m : P43m

VII/D.47-005

Pharmacoalumite

KAl4(AsO4)3(OH)4·6.5H2O

kubisch : 43m : P43m

VII/D.47-010

Pharmacosiderite

KFe43+(AsO4)3(OH)4·6-7H2O

kubisch : 43m : P43m

VII/D.47-020

Natropharmacosiderite

Na2Fe3+4(AsO4)3(OH)5·7H2O

kubisch : 43m : P43m

VII/D.47-030

Bariopharmacoalumite

Ba0.5Al4[(AsO4)3(OH)4]·4H2O

kubisch : 43m : P43m

VII/D.47-040

Bariopharmacosiderite

(Ba,Ca)0.5-1Fe3+4[(OH)4-5|(AsO4)3]·5-7H2O

tetragonal : 42m : P42m

VII/D.47-050

Hydroniumpharmacoalumite

(H3O)Al4(AsO4)3(OH)4·4.5H2O

kubisch : 43m : P43m

VII/D.47-055

Hydroniumpharmacosiderite

(H3O)Fe4(AsO4)3(OH)4·4H2O

kubisch : 43m : P43m

VII/D.47-060

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Natropharmacosiderite

Na2Fe3+4(AsO4)3(OH)5·7H2O

kubisch : 43m : P43m

8.DI.200

Pharmacoalumite

KAl4(AsO4)3(OH)4·6.5H2O

kubisch : 43m : P43m

8.DI.210

Natropharmacoalumite

NaAl4(AsO4)3(OH)4·4H2O

kubisch : 43m : P43m

8.DI.212

Pharmacosiderite

KFe43+(AsO4)3(OH)4·6-7H2O

kubisch : 43m : P43m

8.DI.215

Hydroniumpharmacosiderite

(H3O)Fe4(AsO4)3(OH)4·4H2O

kubisch : 43m : P43m

8.DI.217

Bariopharmacoalumite

Ba0.5Al4[(AsO4)3(OH)4]·4H2O

kubisch : 43m : P43m

8.DI.217

Bariopharmacosiderite

(Ba,Ca)0.5-1Fe3+4[(OH)4-5|(AsO4)3]·5-7H2O

tetragonal : 42m : P42m

8.DI.220

Wardite

NaAl3(PO4)2(OH)4·2H2O

tetragonal : 422, 422 : P41212, P43212

8.DI.250

Fluorowardite

NaAl3(PO4)2F2(OH)2(H2O)2

tetragonal : 422 : P41212

8.DI.251

Cyrilovite

NaFe33+(PO4)2(OH)4·2H2O

tetragonal : 422 : P41212

8.DI.255

Millisite

(Na,K)CaAl6(PO4)4(OH)9·3H2O

8.DI.260

Kidwellite

NaFe3+9+x(PO4)6(OH)11·3H2O {x≈0.33}

monoklin : 2/m : P2/c

8.DI.280

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Pharmacosiderite

KFe43+(AsO4)3(OH)4·6-7H2O

kubisch : 43m : P43m

42.08.01.01

Natropharmacosiderite

Na2Fe3+4(AsO4)3(OH)5·7H2O

kubisch : 43m : P43m

42.08.01.05

Kidwellite

NaFe3+9+x(PO4)6(OH)11·3H2O {x≈0.33}

monoklin : 2/m : P2/c

42.08.02.01

Schoonerite

ZnMn2+Fe2+2Fe3+(PO4)3(OH)2(H2O)7 · 2H2O

orthorhombisch : mmm : Pmab

42.08.03.01

Mitridatite

Ca2Fe33+(PO4)3O2·3H2O

monoklin : m : Aa

42.08.04.01

Robertsite

Ca2Mn3+3O2(PO4)3·3H2O

monoklin : 2/m : A2/a

42.08.04.02

Arseniosiderite

Ca2Fe33+(AsO4)3O2·3 H2O

monoklin : 2/m : A2/a

42.08.04.03

Kolfanite

Ca2Fe33+O2(AsO4)3·2H2O

42.08.05.01

Pararobertsite

Ca2Mn33+(PO4)3O2·3H2O

monoklin : 2/m : P21/c

42.08.05.02

Sailaufite

NaCa2Mn33+[O2|CO3|(AsO4)2]·3H2O

monoklin : m : Cm

42.08.05.03

Yukonite

Ca2Fe3+3(AsO4)3(OH)4·4H2O

42.08.06.01

Mapimite

Zn2Fe33+(AsO4)3(OH)4·10 H2O

monoklin : m : Cm

42.08.07.01

Related minerals "Hey's Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Kaatialaite

Fe3+As35+O9·6-8 H2O

monoklin : 2, 2/m, 2/m : P21, P21/m, P21/n

20.09.05

Pharmacosiderite

KFe43+(AsO4)3(OH)4·6-7H2O

kubisch : 43m : P43m

20.09.09

Varieties

Calcium-Pharmacosiderite

Ein Ca-Analog von Pharmacosiderite

Other languages

Dutch

Farmacosideriet

Spanish

Farmacosiderita

French

Pharmacosiderite

English

Pharmacosiderite

German

Pharmakosiderit

Russian

Фармакосидерит

Traditional Chinese

毒鐵石

Simplified Chinese

毒铁石

Alternative Name

Arsenate-zeolite

Arsenicated Iron Ore

German

Arseniksaures Eisen im Würfeln kristallisiert

Cube Ore

Italian

Farmacosiderite

French

Fer arseniaté

Hexaedrischer Liroconmalachit

German

Pharmacosiderit

German

Pharmakosidrit

Pharmakosidrite

Siderite (of Bergmann)

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Pharmakosiderit
Google-Bilder-Suche - search for: Pharmakosiderit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Pharmakosiderit

English pages

Mindat - search for: Pharmacosiderite
Webmineral - search for:Pharmacosiderite
Handbook-of-Mineralogy - search for: Pharmacosiderite
RRUFF - Raman, XRD and other mineral data - search for: Pharmacosiderite
RRUFF - References and PDF downloads - search for: Pharmacosiderite
American-Mineralogist-Crystal-Structure-Database - search for: Pharmacosiderite
Athena - search for: Pharmacosiderite

Russian pages

Webmineral.ru - search for: Фармакосидерит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Pharmakosiderit
Crystal-Treasure.com - search for: Pharmakosiderit
Bosse - search for: Pharmakosiderit

Locations with GPS information