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UM2005-02-AsO:AlHPScSi

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Formula:
ScAsO
 
4
· 2H
 
2
O
Member of:Metavariscite Group


The As-analogue of kolbeckite and the Sc-As-analogue of metavariscite.
IMA proposal in preparation (Kolitsch et al., unpubl. data 2012-2013), based on new material found after the original description (Barresi et al., 2005; includes data from crystal-structure solution).

Known as a synthetic compound.

Classification of UM2005-02-AsO:AlHPScSi

IMA status:Unnamed - valid
Nickel-Strunz 10th (pending) edition ID:8.CD.05

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
D : With only medium-sized cations, RO4:H2O = 1:2
Dana 8th edition ID:40.5.6.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
5 : AXO4·xH2O
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Chemical Properties of UM2005-02-AsO:AlHPScSi

Formula:
ScAsO
 
4
· 2H
 
2
O
Simplified for copy/paste:ScAsO4·2H2O
Essential elements:As, H, O, Sc
All elements listed in formula:As, H, O, Sc

Relationship of UM2005-02-AsO:AlHPScSi to other Species

Member of:Metavariscite Group
Other Members of Group:

- +
Kolbeckite
ScPO
 
4
· 2H
 
2
O
Metavariscite
AlPO
 
4
· 2H
 
2
O
Phosphosiderite
FePO
 
4
· 2H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
8.CD.05Kolbeckite
ScPO
 
4
· 2H
 
2
O
8.CD.05Metavariscite
AlPO
 
4
· 2H
 
2
O
8.CD.05Phosphosiderite
FePO
 
4
· 2H
 
2
O
8.CD.10Mansfieldite
AlAsO
 
4
· 2H
 
2
O
8.CD.10Scorodite
FeAsO
 
4
· 2H
 
2
O
8.CD.10Strengite
FePO
 
4
· 2H
 
2
O
8.CD.10Variscite
AlPO
 
4
· 2H
 
2
O
8.CD.10Yanomamite
InAsO
 
4
· 2H
 
2
O
8.CD.15Parascorodite
FeAsO
 
4
· 2H
 
2
O
8.CD.20Ludlamite
(Fe,Mn,Mg)
 
3
(PO
 
4
)
 
2
· 4H
 
2
O
8.CD.25Sterlinghillite
Mn
 
3
(AsO
 
4
)
 
2
· 4H
 
2
O
8.CD.30Rollandite
Cu
 
3
(AsO
 
4
)
 
2
· 4H
 
2
O

Other Names for UM2005-02-AsO:AlHPScSi

Synonyms:
UM2005-02Unnamed (As-analogue of Kolbeckite)
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 UM2005-02-AsO:AlHPScSi

Reference List:

- +
A. A. Barresi, U. Kolitsch, M. E. Ciriotti, P. Ambrino, R. Bracco and E. Bonacina (2005): La miniera di manganese di Varenche (Aosta, Italia nord-occidentale): ardennite, arseniopleite, manganberzeliite, pirofanite, sarkinite, sursassite, thortveitite, nuovo As-Sc-analogo della metavariscite e altre specie minerali. Micro (località), 2/2005, 81-122. (in Italian)

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  • Localities for UM2005-02-AsO:AlHPScSi

    (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.
    Italy
     
    • Aosta Valley
      • Nus
        • Saint-Barthélemy
    A. A. Barresi, U. Kolitsch, M. E. Ciriotti, P. Ambrino, R. Bracco and E. Bonacina (2005): La miniera di manganese di Varenche (Aosta, Italia nord-occidentale): ardennite, arseniopleite, manganberzeliite, pirofanite, sarkinite, sursassite, thortveitite, nuovo As-Sc-analogo della metavariscite e altre specie minerali. Micro (località), 2/2005, 81-122. (in Italian)
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