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Agricolaite

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Rovnost Mine (Werner Mine), Jáchymov (St Joachimsthal), Jáchymov (St Joachimsthal) District, Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Show Agricolaite Photos (4)



Formula:
K
 
4
(UO
 
2
)(CO
 
3
)
 
3
System:MonoclinicColour:yellow
Hardness:4
Name:
Named after Georgius Agricola (Glauchau, 24 March 1494 - Chemnitz, 21 November 1555), German scholar and scientist. He is considered the "father of mineralogy."


Not to be confused with Agricolite.

Known as a synthetic compound.

Classification of Agricolaite

IMA status:Approved 2010
Nickel-Strunz 10th (pending) edition ID:5.ED.50

5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
D : UO2:CO3 = 1:3
Dana 8th edition ID:14.4.8.2

14 : ANHYDROUS NORMAL CARBONATES
4 : Miscellaneous
mindat.org URL:http://www.mindat.org/min-39868.html
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Type Occurrence of Agricolaite

Type Locality:Giftkies adit, Jáchymov (St Joachimsthal), Jáchymov (St Joachimsthal) District, Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Physical Properties of Agricolaite

Lustre:Vitreous
Diaphaneity (Transparency):Translucent
Colour:yellow
Streak:pale yellow
Hardness (Mohs):4
Hardness Data:Measured
Tenacity:Brittle
Cleavage:None Observed
Parting:none
Fracture:Irregular/Uneven
Density (calculated):3.531 g/cm3

Crystallography of Agricolaite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/b {B1 1 2/b} {C2/c} {C1 2/c 1}
Space Group Setting:C2/c
Cell Parameters:a = 10.2380(2) Å, b = 9.1930(2) Å, c = 12.2110(3) Å
β = 95.108(2)°
Ratio:a:b:c = 1.114 : 1 : 1.328
Unit Cell Volume:V 1,144.71 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
6.061 (55)
5.793 (30)
5.087 (57)
3.740 (100)
3.393 (44)
2.408 (33)
2.281 (52)
1.873 (40)

Chemical Properties of Agricolaite

Formula:
K
 
4
(UO
 
2
)(CO
 
3
)
 
3
Essential elements:C, K, O, U
All elements listed in formula:C, K, O, U

Relationship of Agricolaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.ED.05Bayleyite
Mg
 
2
(UO
 
2
)(CO
 
3
)
 
3
 · 18H
 
2
O
5.ED.10Swartzite
MgCa(UO
 
2
)(CO
 
3
)
 
3
 · 12H
 
2
O
5.ED.15Albrechtschraufite
Ca
 
4
Mg(UO
 
2
)
 
2
(CO
 
3
)
 
6
F
 
2
 · 17H
 
2
O
5.ED.20Liebigite
Ca
 
2
(UO
 
2
)(CO
 
3
)
 
3
 · 11H
 
2
O
5.ED.25Rabbittite
Ca
 
3
Mg
 
3
(UO
 
2
)
 
2
(CO
 
3
)
 
6
(OH)
 
4
 · 18H
 
2
O
5.ED.30Andersonite
Na
 
2
Ca(UO
 
2
)(CO
 
3
)
 
3
 · 6H
 
2
O
5.ED.35Grimselite
K
 
3
Na(UO
 
2
)(CO
 
3
)
 
3
 · H
 
2
O
5.ED.40Widenmannite
Pb
 
2
(UO
 
2
)(CO
 
3
)
 
3
5.ED.45Znucalite
Zn
 
12
Ca(UO
 
2
)(CO
 
3
)
 
3
(OH)
 
22
 · 4H
 
2
O
5.ED.50Čejkaite
Na
 
4
(UO
 
2
)(CO
 
3
)
 
3

Other Names for Agricolaite

Synonyms:
IMA2009-081
Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Agricolaite

Reference List:

- +
Skála, R., Ondruš, P., Veselovský, F., Císařová, I. & Hloušek, J. (2011): Agricolaite, a new mineral of uranium from Jachymov, Czech Republic. Mineralogy & Petrology 103, 169-175.

Internet Links for Agricolaite

Search Engines:
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    • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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    • Localities for Agricolaite

    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
            • Jáchymov (St Joachimsthal)
    		Skála, R., Ondruš, P., Veselovský, F., Císařová, I. & Hloušek, J. (2011): Agricolaite, a new mineral of uranium from Jachymov, Czech Republic. Mineralogy & Petrology 103, 169-175.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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