Ferrian Variscite
A variety of Variscite
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About Ferrian Variscite
Formula:
(Al,Fe)PO4 · 2H2O
An iron-bearing variety of variscite.
Formed by the action of phosphatic solutions derived from guano on aluminous igneous rocks.
Formed by the action of phosphatic solutions derived from guano on aluminous igneous rocks.
Unique Identifiers
Mindat ID:
25679 (as Ferrian Variscite)
4156 (as Variscite)
4156 (as Variscite)
Long-form identifier:
mindat:1:1:25679:3 (as Ferrian Variscite)
mindat:1:1:4156:6 (as Variscite)
mindat:1:1:4156:6 (as Variscite)
Chemistry of Ferrian Variscite
Mindat Formula:
(Al,Fe)PO4 · 2H2O
Element Weights:
Geological Environment
Geological Setting:
Insular rock-phosphate deposits.
Synonyms of Ferrian Variscite
Barrandite (in part)
Common Associates
Associations Based on Photo Data:
| 3 photos of Ferrian Variscite associated with Goethite | Fe3+O(OH) |
| 2 photos of Ferrian Variscite associated with Wavellite | Al3(PO4)2(OH)3 · 5H2O |
| 2 photos of Ferrian Variscite associated with Leucophosphite | KFe3+2(PO4)2(OH) · 2H2O |
| 2 photos of Ferrian Variscite associated with Albite | Na(AlSi3O8) |
| 2 photos of Ferrian Variscite associated with Crandallite | CaAl3(PO4)(PO3OH)(OH)6 |
| 1 photo of Ferrian Variscite associated with Robertsite | Ca2Mn3+3(PO4)3O2 · 3H2O |
| 1 photo of Ferrian Variscite associated with Laueite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O |
| 1 photo of Ferrian Variscite associated with Beraunite | Fe3+6(PO4)4O(OH)4 · 6H2O |
| 1 photo of Ferrian Variscite associated with Meurigite-K | KFe3+8(PO4)6(OH)7 · 6.5H2O |
| 1 photo of Ferrian Variscite associated with Hematite | Fe2O3 |
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 Ferrian Variscite
mindat.org URL:
https://www.mindat.org/min-25679.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Ferrian Variscite
Localities for Ferrian Variscite
Showing 12 localities.
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Antigua and Barbuda | |
| Palache et al. (1951) | |
Australia | |
| https://www.mindat.org/photo-23169.html |
| Palache et al. (1951) |
Brazil | |
| various photographs |
Colombia | |
| Palache et al. (1951) |
France | |
| Palache et al. (1951) |
Pacific Ocean | |
| Palache et al. (1951) |
Russia | |
| Timophei Zefirov data |
USA | |
| Sinkankas (1964) +1 other reference |
| Paris (2011) |
Venezuela | |
| Shepard (1877) +1 other reference |
| Palache et al. (1951) |
Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil