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Pigotite

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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

Search Engines:
  • Look for Pigotite on Google
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    • Localities for Pigotite

    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.
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    (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
          • St Levan
            • Treen
    		No reference listed
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