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Pigotite

Formula:
Al
 
4
C
 
6
H
 
5
O
 
10
·13H
 
2
O (?)


An aluminium-bearing organic compound, said to be formed by the action of wet vegetation on granite.

Classification of Pigotite

IMA status:Questionable/Doubtful
Nickel-Strunz 10th (pending) edition ID:10.AC.15

10 : ORGANIC COMPOUNDS
A : Salts of organic acids
C : Benzine Salts
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Chemical Properties of Pigotite

Formula:
Al
 
4
C
 
6
H
 
5
O
 
10
·13H
 
2
O (?)
All elements listed in formula:Al, C, H, O

Relationship of Pigotite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
10.AC.05Mellite
Al
 
2
[C
 
6
(COO)
 
6
] · 16H
 
2
O
10.AC.10Earlandite
Ca
 
3
[CH
 
2
(COO)-CHOH(COO)-CH
 
2
(COO)]
 
2
 · 4H
 
2
O

Other Names for Pigotite

Other Languages:
German:Pigotit
Spanish:Pigotita

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 Pigotite

Reference List:Johnston, J.F.W. (1840) Phil. Mag. 3rd ser., 17, 382.

Collins, J.H. (1871), "A Handbook to the Mineralogy of Cornwall and Devon": 77.

Creighton, J.K. (1894) "On the Occurrence of Pigotite in the Caves near Porthcurnow, St. Levan, Cornwall." Geological Magazine: 223-225.

Internet Links for Pigotite

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    Localities for Pigotite

    (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.
    UK
     
    • England
      • Cornwall
        • Isles of Scilly
          • Tresco
    		No reference listed
        • St Just District
          • Southern Penwith Peninsula
            • St Levan
              • Treen
    		No reference listed
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 9th Nov 2009 21:22:23