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Agricolaite

Pictures (4 Images total)

Agricolait xx
Views (Image: 1576947209): 894
Agricolait xx

Jachymov,Erzgebirge/Böhmen,Tschechien; Bildbreite 1,55 mm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2019-12-21
Locality: St. Joachimsthal (Jáchymov) / Karlsbad (Karlovy Vary), Bezirk / Karlsbad (Karlovarsky kraj) / Tschechien
Agricolait
Views (Image: 1444411405): 2670
Agricolait

Bildbreite: 2,5 mm, Fundort: Werner Mine (Rovnost), St. Joachimsthal (Jáchymov), Region Karlsbad (Karlovarsky kraj), Tschechien

Copyright: Pavel Škácha, Czechmin
Contribution: thdun5 2015-10-09
Locality: Werner Mine (Rovnost) / St. Joachimsthal (Jáchymov) / Karlsbad (Karlovy Vary), Bezirk / Karlsbad (Karlovarsky kraj) / Tschechien
Agricolait
Views (Image: 1444411692): 847
Agricolait

blassgelbe Agricolait-Kristalle, Bildbreite: 2,3 mm, Fundort: St. Joachimsthal (Jáchymov), Region Karlsbad (Karlovarsky kraj), Tschechien

Copyright: Luigi Chiappino
Contribution: thdun5 2015-10-09
Locality: St. Joachimsthal (Jáchymov) / Karlsbad (Karlovy Vary), Bezirk / Karlsbad (Karlovarsky kraj) / Tschechien
Agricolait
Views (Image: 1444411586): 896
Agricolait

blassgelbe Agricolait-Kristalle, Bildbreite: 1,4 mm, Fundort: Werner Mine (Rovnost), St. Joachimsthal (Jáchymov), Region Karlsbad (Karlovarsky kraj), Tschechien

Copyright: Luigi Chiappino
Contribution: thdun5 2015-10-09
Locality: Werner Mine (Rovnost) / St. Joachimsthal (Jáchymov) / Karlsbad (Karlovy Vary), Bezirk / Karlsbad (Karlovarsky kraj) / Tschechien

Collectors Summary

Color gelb
Streak color blass gelb
Lustre Glasglanz
Hardness (Mohs) 4
Fracture unregelmäßig, uneben
Crystal System monoklin, C2/c

Chemism

Chem­ical formula

K4(UO2)(CO3)3

Addi­tional chem. informa­tion

K-dominantes Dimorph von Čejkait

Chem­ical com­po­si­tion

Kalium, Kohlenstoff, Sauerstoff, Uran

Unit weight: 606.448223 u; Number of atoms in the formula: 19

Info

Empirical formula:

K4(UO2)(CO3)3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Carbon

C

5.94

3

15.79

12.0107800

36.0323400

Oxygen

O

29.02

11

57.89

15.9994300

175.9937300

Potassium

K

25.79

4

21.05

39.0983100

156.3932400

Uranium

U

39.25

1

5.26

238.0289130

238.0289130

Anal­y­sis wt%

CO2 : 21.70, UO3 : 47.34, K2O : 30.96 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

5.ED.50

5: Carbonate (Carbonate, Nitrate)
E: Uranylcarbonate
D: UO2:CO3 = 1:4
50:Cejkait-Gruppe

Lapis Clas­sifica­tion

V/F.02-006

V: NITRATE, CARBONATE UND BORATE
F: Uranylcarbonate [UO2] 2+ – [CO3] 2-

Clas­sifica­tion by Hölzel

5.EA.330

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
E: Uranyl-Carbonates
A: Uranyl-Carbonates (-Anions -Water)

Dana 8th edi­tion

14.04.08.02

14: Anhydrous Carbonates
04: Anhydrous Carbonates with Compound Formula A+2 B++2 (CO3)4

IMA sta­tus

anerkannt - IMA Web-Seite Jan. 2010

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

gelb

Streak color

blass gelb

Diaphane­ity (Trans­parency)

durchscheinend

Lus­tre

Glasglanz

Optical Data Luminescence

Color LW-UV (365nm)

 

grün

MW-UV (320nm)

 

grün

Color SW-UV (254nm)

 

grün

Most Common Acti­vator

(UO2)2+ (Uranyl-Ion) spezifisch

After­glow (Per­sistant Lumi­nes­cence)

Mit bloßem Auge konnte keine Phosphoreszenz festgestellt werden.

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell param­e­ters a (Å)

10.238

Cell param­e­ters b (Å)

9.193

Cell param­e­ters c (Å)

12.211

Cell param­e­ters a/b or c/a

1.114

Cell param­e­ters c/b

1.328

Cell param­e­ters α

90°

Cell param­e­ters β

95.10

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

1144.724

Kristall struc­ture

bekannter Strukturtyp, Struktur ermittelt

X-Ray Pow­der Diffrac­tion

6.061(55), 5.793(30), 5.087(57), 3.740(100), 3.393(44), 2.408(33), 2.281(52), 1.873(40)

XRD chart Agricolaite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

4

Density (g/cm³)

3.508 (berechnet)

3.519 ( ρ calc. Mineralienatlas )

Frac­ture

unregelmäßig, uneben

Tenac­ity

spröde

Preface

Name from

Benannt nach Georgius Agricola (Glauchau, den 24. März 1494 - Chemnitz, 21. November 1555), deutscher Gelehrter und Wissenschaftler. Er gilt als der "Vater der Mineralogie".

Author (Name, Year)

Roman Skála, 2009

References

Neue Mineralien - IMA Web-Seite Jan. 2010

Anderson, A., Chieh, C., Irish, D.E., Tong, J.P.K. (1980): Canad.J.Chem., 53, 2454-2458

Císarová, I., Skála, R., Ondrus, P., Drábek, M. (2001): Acta Crystallographica, E57, i32-i34

Chernorukov, N.G., Knyazev, A.V., Vlasova, E.V., Ershova, A.V. (2008): Russian J.Inorg.Chem., 53, 530-538

Chernorukov, N.G., Knyazev, A.V., Vlasova, E.V., Kuznetsova, N.Yu. (2009): Radiochemistry, 51, 244-249

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

Čejkaite

Na4UO2(CO3)3

triklin : 1 : P1 ?

5.ED.50

Agricolaite

K4(UO2)(CO3)3

monoklin : 2/m : C2/c

5.ED.50

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

Čejkaite

Na4UO2(CO3)3

triklin : 1 : P1 ?

V/F.02-005

Agricolaite

K4(UO2)(CO3)3

monoklin : 2/m : C2/c

V/F.02-006

Grimselite

K3Na(UO2)(CO3)3·H2O

hexagonal : 6m2 : P62c

V/F.02-010

Bayleyite

Mg2(UO2)(CO3)3 ·18 H2O

monoklin : 2/m : P21/a

V/F.02-020

Swartzite

CaMg(UO2)(CO3)3·12H2O

monoklin : 2/m : P21/m

V/F.02-030

Andersonite

Na2Ca(UO2)(CO3)3·6H2O

trigonal : 3m : R3m

V/F.02-040

Fontanite

Ca[(UO2)3|(CO3)2|O2]·6H2O

monoklin : 2/m : P21/n

V/F.02-045

Metazellerite

Ca(UO2)(CO3)2·3H2O

orthorhombisch : mm2, mmm : Pbn21, Pbnm

V/F.02-050

Zellerite

Ca(UO2)(CO3)2·5H2O

orthorhombisch : mm2, mmm : Pmn21, Pmnm

V/F.02-060

Liebigite

Ca2(UO2)(CO3)3·11H2O

orthorhombisch : mm2 : Bba2

V/F.02-070

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

Widenmannite

Pb2(OH)2[(UO2)(CO3)2]

orthorhombisch : mmm : Pmmn

5.EA.300

Čejkaite

Na4UO2(CO3)3

triklin : 1 : P1 ?

5.EA.320

Agricolaite

K4(UO2)(CO3)3

monoklin : 2/m : C2/c

5.EA.330

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

Shortite

Na2Ca2(CO3)3

orthorhombisch : mm2 : Amm2

14.04.01.01

Sahamalite-(Ce)

(Mg,Fe2+)Ce2(CO3)4

monoklin : 2/m : P21/a

14.04.02.01

Huntite

CaMg3(CO3)4

trigonal : 32 : R32

14.04.03.01

Burbankite

(Na,Ca)3(Sr,Ba,Ce)3(CO3)5

hexagonal : 6mm : P63mc

14.04.04.01

Khanneshite

(NaCa)3(Ba,Sr,Ce,Ca)3(CO3)5

hexagonal : 6mm : P63mc

14.04.04.02

Calcioburbankite

Na3(Ca,Ce,La,Sr)3(CO3)5

hexagonal : 6mm : P63mc

14.04.04.03

Rémondite-(Ce)

Na3(Ce,Ca,Na)3(CO3)5

monoklin : 2 : P21

14.04.05.01

Petersenite-(Ce)

(Na,Ca)4(Ce,La,Nd,Sr)2(CO3)5

monoklin : 2 : P21

14.04.05.02

Rémondite-(La)

Na3(La,Ca,Na)3(CO3)5

monoklin : 2 : P21

14.04.05.03

Carbocernaite

(Ca,Na)(Sr,Ce,Ba)(CO3)2

orthorhombisch : mm2 : Pmc21

14.04.06.01

Agricolaite

K4(UO2)(CO3)3

monoklin : 2/m : C2/c

14.04.08.02

CNMNC (IMA)-Number

IMA 2009-081

CNMNC symbol

Symbol

Agc

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Агриколаит

Mineral Dealer

German pages

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

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