Pigotite
A valid IMA mineral species - grandfathered - questionable
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About Pigotite
Formula:
Al4C6H5O10 · 13H2O (?)
Colour:
brown
Lustre:
Resinous
Name:
Named for Reverand M. Pigot who helped collect the first material.
An aluminium-bearing organic compound, said to be formed by the action of wet vegetation on granite.
Unique Identifiers
Mindat ID:
3211
Long-form identifier:
mindat:1:1:3211:3
GUID
(UUID V4):
(UUID V4):
ab11e235-daa6-4c90-9ee4-1a9c5e6331b5
IMA Classification of Pigotite
Approved, 'Grandfathered' (first described prior to 1959), Questionable
IMA Formula:
Al4C6H5O10 · 13H2O (?)
Classification of Pigotite
10.AC.15
10 : ORGANIC COMPOUNDS
A : Salts of organic acids
C : Benzine Salts
10 : ORGANIC COMPOUNDS
A : Salts of organic acids
C : Benzine Salts
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Pig | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Pigotite
Chemistry of Pigotite
Mindat Formula:
Al4C6H5O10 · 13H2O (?)
Elements listed:
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere | <0.6 |
52 : Guano- and urine-derived minerals | <0.4 |
53 : Other minerals with taphonomic origins | <0.4 |
Other Language Names for Pigotite
Related Minerals - Strunz-mindat Grouping
10.AC.05 | Mellite | Al2[C6(COO)6] · 16H2O |
10.AC.10 | Earlandite | Ca3[CH2(COO)-CHOH(COO)-CH2(COO)]2 · 4H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Pigotite
mindat.org URL:
https://www.mindat.org/min-3211.html
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
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References for Pigotite
Reference List:
Localities for Pigotite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
UK | |
| Golley et al. (1995) |
| www.academia.edu (n.d.) |
| www.academia.edu (n.d.) |
| Golley et al. (1995) |
Venezuela | |
Franco Urbani (2009) |
Porth Chapel, St Levan, Cornwall, England, UK