Ferrisymplesite
A valid IMA mineral species - grandfathered
This page is currently not sponsored. Click here to sponsor this page.
About Ferrisymplesite
Formula:
Fe3+3(AsO4)2(OH)3 · 5H2O
Colour:
Dark amber-brown, yellow-brown, yellow
Lustre:
Sub-Vitreous, Resinous
Hardness:
2½
Specific Gravity:
2.885
Crystal System:
Monoclinic
Member of:
Name:
Named by Thomas Leonard Walker and Alfred Leonard Parsons in 1924 for its relation to symplesite.
Unique Identifiers
Mindat ID:
1502
Long-form identifier:
mindat:1:1:1502:4
IMA Classification of Ferrisymplesite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Fe3+3(As5+O4)2(OH)3·5H2O
Classification of Ferrisymplesite
8.CE.40
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5
42.10.1.1
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
10 : A3(XO4)2Zq·xH2O
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
10 : A3(XO4)2Zq·xH2O
20.9.4
20 : Arsenates (also arsenates with phosphate, but without other anions)
9 : Arsenates of Fe
20 : Arsenates (also arsenates with phosphate, but without other anions)
9 : Arsenates of Fe
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 for Standard |
|---|---|---|
| Fsym | 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 Ferrisymplesite
Sub-Vitreous, Resinous
Transparency:
Transparent
Colour:
Dark amber-brown, yellow-brown, yellow
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Fracture:
Fibrous
Density:
2.885 g/cm3 (Measured)
Comment:
Best measurement from a probable mixture
Optical Data of Ferrisymplesite
Type:
Biaxial
RI values:
n = 1.650
Surface Relief:
High (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).
Relative to Canada balsam mounting medium (n ≈ 1.537).
This shows the grain boundary and Becke line effect under plane-polarised
light, based on the contrast between this mineral's average refractive
index and the mounting medium. It does not take into account mineral
colouration.
In focus
Optical Extinction:
Parallel to elongation
Pleochroism:
Weak
Comments:
n = 1.650
Chemistry of Ferrisymplesite
Mindat Formula:
Fe3+3(AsO4)2(OH)3 · 5H2O
Element Weights:
Elements listed:
Crystallography of Ferrisymplesite
Crystal System:
Monoclinic
Morphology:
Small irregular masses with a fibrous structure.
Comment:
Class and space group unknown
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 8.93 Å | (40) |
| 6.77 Å | (100) |
| 4.00 Å | (60) |
| 3.72 Å | (60) |
| 3.38 Å | (40) |
| 2.96 Å | (50) |
| 2.83 Å | (50) |
Comments:
From Neublach, Germany specimen, see also ICDD 1-119 (synthetic)
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] |
Type Occurrence of Ferrisymplesite
General Appearance of Type Material:
Finely fibrous.
Place of Conservation of Type Material:
Royal Ontario Museum, Toronto, Canada, M14248; Harvard University, Cambridge, Massachusetts, 101313; National Museum of Natural History, Washington, D.C., USA, 95461.
Associated Minerals at Type Locality:
Other Language Names for Ferrisymplesite
Relationship of Ferrisymplesite to other Species
Member of:
Other Members of Symplesite Group:
| Metaköttigite | (Zn,Fe,Fe)3(AsO4)2 · 8(H2O,OH) | Tric. 1 : P1 |
| Symplesite | Fe2+3(AsO4)2 · 8H2O | Tric. 1 : P1 |
Common Associates
Associations Based on Photo Data:
| 2 photos of Ferrisymplesite associated with Löllingite | FeAs2 |
| 2 photos of Ferrisymplesite associated with Scorodite | Fe3+AsO4 · 2H2O |
Related Minerals - Strunz-mindat Grouping
| 8.CE. | Monteneroite | Cu2+Mn2+2(AsO4)2 · 8H2O |
| 8.CE. | Belmonteite | CaMn2(AsO4)2 · 7H2O |
| 8.CE. | Zincocabrerite | ZnMg2(AsO4)2(H2O)8 |
| 8.CE.X | Babánekite | Cu3(AsO4)2 · 8H2O |
| 8.CE.05 | Chudobaite | Mg5(AsO4)2(AsO3OH)2 · 10H2O |
| 8.CE.05 | Geigerite | Mn2+5(AsO4)2(HAsO4)2 · 10H2O |
| 8.CE.10 | Newberyite | Mg(PO3OH) · 3H2O |
| 8.CE.10 | Manganonewberyite | Mn(PO3OH)(H2O)3 |
| 8.CE.15 | Fanguangite | (MoO2)(PO3OH) · 4H2O |
| 8.CE.15 | Brassite | Mg(HAsO4) · 4H2O |
| 8.CE.20 | Phosphorrösslerite | Mg(PO3OH) · 7H2O |
| 8.CE.20 | Rösslerite | Mg(HAsO4) · 7H2O |
| 8.CE.25 | Switzerite | Mn2+3(PO4)2 · 7H2O |
| 8.CE.25 | Metaswitzerite | Mn2+3(PO4)2 · 4H2O |
| 8.CE.30 | Pradetite | CoCu4(AsO4)2(HAsO4)2 · 9H2O |
| 8.CE.30 | Veselovskýite | ZnCu4(AsO4)2(HAsO4)2 · 9H2O |
| 8.CE.30 | Lindackerite | CuCu4(AsO4)2(HAsO4)2 · 9H2O |
| 8.CE.30 | Klajite | MnCu4(AsO4)2(HAsO4)2 · 9-10H2O |
| 8.CE.30 | Hloušekite | (Ni,Co)Cu4(AsO4)2(AsO3OH)2 · 9H2O |
| 8.CE.30 | Ondrušite | CaCu4(AsO4)2(HAsO4)2 · 10H2O |
| 8.CE.35 | Bobierrite | Mg3(PO4)2 · 8H2O |
| 8.CE.40 | Barićite | (Mg,Fe)3(PO4)2 · 8H2O |
| 8.CE.40 | Parasymplesite | Fe2+3(AsO4)2 · 8H2O |
| 8.CE.40 | Gritsenkoite | CoMg2(AsO4)2(H2O)8 |
| 8.CE.40 | Cabrerite | NiMg2(AsO4)2 · 8H2O |
| 8.CE.40 | Pakhomovskyite | Co3(PO4)2 · 8H2O |
| 8.CE.40 | Vivianite | Fe2+Fe2+2(PO4)2 · 8H2O |
| 8.CE.40 | Arupite | Ni3(PO4)2 · 8H2O |
| 8.CE.40 | Erythrite | Co3(AsO4)2 · 8H2O |
| 8.CE.40 | Hörnesite | Mg3(AsO4)2 · 8H2O |
| 8.CE.40 | Manganohörnesite | Mn2+3(AsO4)2 · 8H2O |
| 8.CE.40 | Köttigite | Zn3(AsO4)2 · 8H2O |
| 8.CE.40 | Annabergite | Ni3(AsO4)2 · 8H2O |
| 8.CE.45 | Symplesite | Fe2+3(AsO4)2 · 8H2O |
| 8.CE.50 | Cattiite | Mg3(PO4)2 · 22H2O |
| 8.CE.55 | Koninckite | Fe3+PO4 · 3H2O |
| 8.CE.60 | Kaňkite | FeAsO4 · 3.5H2O |
| 8.CE.60 | Hilarionite | Fe3+2(SO4)(AsO4)(OH) · 6H2O |
| 8.CE.65 | Steigerite | Al(VO4) · 3H2O |
| 8.CE.70 | Metaschoderite | Al2(PO4)(VO4) · 6H2O |
| 8.CE.70 | Schoderite | Al2(PO4)(VO4) · 8H2O |
| 8.CE.75 | Zigrasite | MgZr(PO4)2 · 4H2O |
| 8.CE.75 | 'UM2009-11-PO:CaHZr' | CaZr[PO4]2 · 4H2O |
| 8.CE.75 | Malhmoodite | FeZr(PO4)2 · 4H2O |
| 8.CE.80 | Santabarbaraite | Fe3+3(PO4)2(OH)3 · 5H2O |
| 8.CE.85 | Metaköttigite | (Zn,Fe,Fe)3(AsO4)2 · 8(H2O,OH) |
| 8.CE.90 | Slavkovite | Cu13(AsO4)6(AsO3OH)4 · 23H2O |
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 Ferrisymplesite
mindat.org URL:
https://www.mindat.org/min-1502.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Ferrisymplesite
Reference List:
Localities for Ferrisymplesite
Showing 26 localities.
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.
Austria | |
| Meixner (1950) |
Canada (TL) | |
| WALKER et al. (1924) +1 other reference |
| Reiner Mielke 2012 | |
| Reiner Mielke 2016 | |
| Traill (1983) | |
| Traill (1983) +1 other reference | |
Chile | |
| samples analysed by Gerhard Mohn and ... |
Czech Republic | |
| Jakub Plasil |
Germany | |
| |
| |
| Walenta (1992) | |
| Walenta (1992) |
| Wittern (2001) +1 other reference |
| Bender et al. (1994) |
| Lapis 38 (5) +1 other reference |
| Boutry Collection |
| Hajek (2010) |
Italy | |
| Fernando Caboni et al. (2024) |
| Fernando Caboni et al. (2024) | |
Japan | |
| Satoshi Matsubara et al. (2009) |
| OHNISHI et al. (2013) +1 other reference | |
Portugal | |
| Alves (n.d.) |
Slovakia | |
| Ozdín et al. (1999) |
| Ozdín et al. (1999) | |
Switzerland | |
| Ansermet (2012) |
USA | |
| Bullock (1981) |
Quick NavTopAbout FerrisymplesiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence Other LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List




symbol to view information about a locality.
The
Bugalho Mine, Alandroal-Nossa Senhora da Conceição - São Brás dos Matos-Mina do Bugalho e Juromenha-Nossa Senhora do Loreto, Alandroal, Évora, Portugal