Mindat Logo

Astrocyanite-(Ce)

This page is currently not sponsored. Click here to sponsor this page.



Formula:
Cu
 
2
(Ce,Nd,La)
 
2
(UO
 
2
)(CO
 
3
)
 
5
(OH)
 
2
· 1.5H
 
2
O
System:HexagonalColour:Bright blue
Lustre:VitreousHardness:
Name:From the Greek άστρον ("astron") for "star", κυανός ("kyanos") for "blue", in allusion to its colour and habit of the aggregates, and the dominant lanthanide element in its composition.
This page provides mineralogical data about Astrocyanite-(Ce).

Classification of Astrocyanite-(Ce)

IMA status:Approved 1989
Strunz 8th edition ID:5/F.06-05
Nickel-Strunz 10th (pending) edition ID:5.EF.05

5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
F : UO2:CO3 = 1:5
Dana 8th edition ID:16b.1.6.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
1 : AmBn(XO3)pZqxH2O & with (m+n):p = 1:1
Hey's CIM Ref.:11.11.17

11 : Carbonates
11 : Carbonates of Cr and U
mindat.org URL:http://www.mindat.org/min-404.html
Please feel free to link to this page.

Type Occurrence of Astrocyanite-(Ce)

Type Locality:Kamoto East Open cut, Kamoto, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Physical Properties of Astrocyanite-(Ce)

Lustre:Vitreous
Colour:Bright blue
Streak:White, blue (bluish)
Hardness (Mohs):

Crystallography of Astrocyanite-(Ce)

Crystal System:Hexagonal

Optical Data of Astrocyanite-(Ce)

Type:Uniaxial (-)
RI values: nω = 1.688 nε = 1.638
Maximum Birefringence:δ = 0.050

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Astrocyanite-(Ce)

Formula:
Cu
 
2
(Ce,Nd,La)
 
2
(UO
 
2
)(CO
 
3
)
 
5
(OH)
 
2
· 1.5H
 
2
O
Simplified for copy/paste:Cu2(Ce,Nd,La)2(UO2)(CO3)5(OH)2·1.5H2O
Essential elements:C, Ce, Cu, H, O, U
All elements listed in formula:C, Ce, Cu, H, La, Nd, O, U

Relationship of Astrocyanite-(Ce) to other Species

Related Minerals - Hey's Index Grouping:

- +
11.11.1Stichtite
Mg
 
6
Cr
 
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
11.11.2Rutherfordine
(UO
 
2
)CO
 
3
11.11.3Joliotite
(UO
 
2
)CO
 
3
· nH
 
2
O
11.11.4Grimselite
K
 
3
Na(UO
 
2
)(CO
 
3
)
 
3
· H
 
2
O
11.11.5Bayleyite
Mg
 
2
(UO
 
2
)(CO
 
3
)
 
3
· 18H
 
2
O
11.11.6Metazellerite
Ca(UO
 
2
)(CO
 
3
)
 
2
· 3H
 
2
O
11.11.7Zellerite
Ca(UO
 
2
)(CO
 
3
)
 
2
· 5H
 
2
O
11.11.8Wyartite
CaU
5+
 
(UO
 
2
)
 
2
(CO
 
3
)O
 
4
(OH) · 7H
 
2
O
11.11.9Urancalcarite
Ca(UO
 
2
)
 
3
(CO
 
3
)(OH)
 
6
· 3H
 
2
O
11.11.10Sharpite
Ca(UO
 
2
)
 
6
(CO
 
3
)
 
5
(OH)
 
4
· 6H
 
2
O
11.11.11Voglite
Ca
 
2
Cu(UO
 
2
)(CO
 
3
)
 
4
· 6H
 
2
O
11.11.12Andersonite
Na
 
2
Ca(UO
 
2
)(CO
 
3
)
 
3
· 6H
 
2
O
11.11.13Swartzite
MgCa(UO
 
2
)(CO
 
3
)
 
3
· 12H
 
2
O
11.11.14Rabbittite
Ca
 
3
Mg
 
3
(UO
 
2
)
 
2
(CO
 
3
)
 
6
(OH)
 
4
· 18H
 
2
O
11.11.15Kamotoite-(Y)
Y
 
2
(UO
 
2
)
 
4
(CO
 
3
)
 
3
O
 
4
· 14H
 
2
O
11.11.16Shabaite-(Nd)
Ca(Nd,Sm,Y)
 
2
(UO
 
2
)(CO
 
3
)
 
4
(OH)
 
2
· 6H
 
2
O
11.11.18Bijvoetite-(Y)
(Y,Dy)
 
2
(UO
 
2
)
 
4
(CO
 
3
)
 
4
(OH)
 
6
· 11H
 
2
O
11.11.19Widenmannite
Pb
 
2
(OH)
 
2
[(UO
 
2
)(CO
 
3
)
 
2
]
11.11.20Znucalite
Zn
 
12
Ca(UO
 
2
)(CO
 
3
)
 
3
(OH)
 
22
· 4H
 
2
O

Other Names for Astrocyanite-(Ce)

Synonyms:
IMA1989-032
Other Languages:
German:Astrocyanit-(Ce)

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 Astrocyanite-(Ce)

Reference List:

- +
New Minerals (1997), New Minerals 1990-1994.

European Journal of Mineralogy (1990): 2: 407-411.

Best Localities for Astrocyanite-(Ce)

Best of Species:Astrocyanite-(Ce)

Internet Links for Astrocyanite-(Ce)

Search Engines:
  • Look for Astrocyanite-(Ce) on Google
  • Look for Astrocyanite-(Ce) images on Google
  • External Links:
  • Look for Astrocyanite-(Ce) on Webmineral
  • Look for Astrocyanite-(Ce) on Athena Mineralogy
  • Look for Astrocyanite-(Ce) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Astrocyanite-(Ce) details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Buy from McDougall Minerals
  • Search for Astrocyanite-(Ce) on Well-Arranged Molecules
  • Top quality minerals from Kristalle of California
  • Buy RARE Minerals from Rocks of Africa
  • Buy minerals from YourMineralCollection
  • Fine minerals from bisbeeborn.com
  • Buy rare minerals from Excalibur Minerals
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Lapis Mineral Magazin
  • Fine and rare minerals from mintreasure.com
  • SpiriferMinerals.com - high quality low prices
  • Astrocyanite-(Ce) specimens for sale - minfind.com
  • Localities for Astrocyanite-(Ce)

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (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.
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Kolwezi District
          • Kamoto
    [Mandarino, 1997]; Eur. J. Mineral., 1990, 2
    Mineral and/or Locality  
    Search Google  
    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands 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.
    Current server date and time: November 2, 2014 16:32:23
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds