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|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)pZq
|Hey's CIM Ref.:||11.11.17|
11 : Carbonates
11 : Carbonates of Cr and U
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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)
|Streak:||White, blue (bluish)|
Crystallography of Astrocyanite-(Ce)
Optical Data of Astrocyanite-(Ce)
|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.
Chemical Properties of Astrocyanite-(Ce)
|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:|
Other Names for Astrocyanite-(Ce)
|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)
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)
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.
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New Locality Added: Vareira Mine, Adorigo, Tabuaço, Viseu District, PortugalFrom Rui Nunes, 24th Oct 2014 10:13:19