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Crandallite Subgroup

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Big Photo

Plumbogummite
Yangshuo Mine, Yangshuo Co., Guilin Prefecture, Guangxi Zhuang Autonomous Region, China
© Elmar Lackner

Show Crandallite Subgroup Photos (522)



Member of:Alunite Supergroup


A subgroup of the Alunite Supergroup.

Comprises phosphate and arsenate members of Ca, Sr, Ba and Pb (note, however, that Pb members are sometimes assigned to the Beudantite Subgroup of mixed sulphate-phosphates/arsenates).

Classification of Crandallite Subgroup

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Relationship of Crandallite Subgroup to other Species

Member of:Alunite Supergroup
Group Members:
Arsenocrandallite
CaAl
 
3
(AsO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
Arsenogorceixite
BaAl
 
3
(AsO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
Arsenogoyazite
SrAl
 
3
(AsO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
Crandallite
CaAl
 
3
(PO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
Dussertite
BaFe
3+
3
(AsO
 
4
)
 
2
(OH)
 
5
Gorceixite
BaAl
 
3
(PO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
Goyazite
SrAl
 
3
(PO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
Kintoreite
PbFe
3+
3
(PO
 
4
)
 
2
(OH,H
 
2
O)
 
6
Philipsbornite
PbAl
 
3
(AsO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
Plumbogummite
PbAl
 
3
(PO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
Segnitite
PbFe
3+
3
(AsO
 
4
)
 
2
(OH,H
 
2
O)
 
6
Springcreekite
BaV
3+
3
(PO
 
4
)
 
2
(OH,H
 
2
O)
 
6
Minerals chemically related to group:
Perhamite
Ca
 
3
Al
 
7.7
Si
 
3
P
 
4
O
 
23.5
(OH)
 
14.1
 · 8H
 
2
O

Other Names for Crandallite Subgroup

Synonyms:
Plumbogummite Group
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 Crandallite Subgroup

Reference List:

- +
Grey, I. E. Shanks, F. L. Wilson, N. C. Mumme, W. G. and Birch, W. D. (2011): Carbon incorporation in plumbogummite-group minerals. Mineral. Mag. 75, 145-158.

Internet Links for Crandallite Subgroup

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    • Localities for Crandallite Subgroup

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    New Locality Added: Myrtle Springs, South Australia, AustraliaFrom Maggie Wilson, 15th Feb 2012 00:59:04