Pumpellyite-(Al)
A valid IMA mineral species
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About Pumpellyite-(Al)
Formula:
Ca2Al3(Si2O7)(SiO4)(OH,O)2 ¡ H2O
Colour:
Emerald-green to white, sometimes with bluish tinges
Lustre:
Vitreous
Hardness:
5½
Specific Gravity:
3.41 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Name first proposed in 1973, based on relationship to other species of the Pumpellyite Group. Species approved in 2005.
Raphael Pumpelly [September 8, 1837 Owego, New York, USA â August 10, 1923 Newport, Rhode Island, USA] was an active mining consultant and was professor of Mining Science at Harvard University. He was appointed director of the New England branch of the United States Geological Survey in 1884.
Raphael Pumpelly [September 8, 1837 Owego, New York, USA â August 10, 1923 Newport, Rhode Island, USA] was an active mining consultant and was professor of Mining Science at Harvard University. He was appointed director of the New England branch of the United States Geological Survey in 1884.
Type Locality:
Unique Identifiers
Mindat ID:
27439
Long-form identifier:
mindat:1:1:27439:1
GUID
(UUID V4):
(UUID V4):
9dea838b-2ae4-46eb-8c22-3e38a5869a4a
IMA Classification of Pumpellyite-(Al)
Approved
Approval year:
2005
Classification of Pumpellyite-(Al)
9.BG.20
9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination
9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Pmp-Al | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pmp | Kretz (1983) | Kretz, R. (1983) Symbols of rock-forming minerals. American Mineralogist, 68, 277â279. |
Pmp | Siivolam & Schmid (2007) | Siivolam, J. and Schmid, R. (2007) Recommendations by the IUGS Subcommission on the Systematics of Metamorphic Rocks: List of mineral abbreviations. Web-version 01.02.07. IUGS Commission on the Systematics in Petrology. download |
Pmp | Whitney & Evans (2010) | Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185â187 doi:10.2138/am.2010.3371 |
Pmp | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Pumpellyite-(Al)
Vitreous
Transparency:
Transparent, Translucent
Colour:
Emerald-green to white, sometimes with bluish tinges
Hardness:
5½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{100}
{100}
Density:
3.41 g/cm3 (Calculated)
Optical Data of Pumpellyite-(Al)
Type:
Biaxial (+)
RI values:
nα = 1.678(2) nβ = 1.680(2) nγ = 1.691(1)
2V:
Calculated: 46°
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
High
Chemistry of Pumpellyite-(Al)
Mindat Formula:
Ca2Al3(Si2O7)(SiO4)(OH,O)2 ¡ H2O
Crystallography of Pumpellyite-(Al)
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 8.818(2) Å, b = 5.898(2) Å, c = 19.126(6) Å
β = 97.26(3)°
β = 97.26(3)°
Ratio:
a:b:c = 1.495 : 1 : 3.243
Unit Cell V:
986.74 Ă
Âł (Calculated from Unit Cell)
Z:
4
Morphology:
radial aggregates of acicular prismatic crystals to 5 mm
Comment:
Non-standard space group A2/m.
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0000999 | Pumpellyite-(Al) | Yoshiasa A, Matsumoto T (1985) Crystal structure refinement and crystal chemistry of pumpellyite American Mineralogist 70 1011-1019 | 1985 | 0 | 293 | ||
0017599 | Pumpellyite-(Al) | Hamada M, Akasaka M, Seto S, Makino K (2010) Crystal chemistry of chromian pumpellyite from Osayama, Okayama Prefecture, Japan American Mineralogist 95 1294-1304 | 2010 | Osayama ultramafic body, Okayama, Japan | 0 | 293 | |
0007217 | Pumpellyite-(Al) | Hatert F, Pasero M, Perchiazzi N, Theye T (2007) Pumpellyite-(Al), a new mineral from Bertrix, Belgian Ardennes European Journal of Mineralogy 19 247-253 | 2007 | Bertrix, Ardennes mountains, Belgium | 0 | 293 | |
0007759 | Pumpellyite-(Al) | Artioli G, Geiger C A (1994) The crystal chemistry of pumpellyite: An X-ray Rietveld refinement and 57Fe Mossbauer study Physics and Chemistry of Minerals 20 443-453 | 1994 | Hicks Ranch, California | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.895 Ă | (100) |
2.912 Ă | (95) |
3.787 Ă | (80) |
3.040 Ă | (70) |
4.371 Ă | (65) |
2.191 Ă | (45) |
2.731 Ă | (40) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3a: Earthâs earliest Hadean crust | >4.50 |
10 : Basalt-hosted zeolite minerals | |
Stage 3b: Earthâs earliest hydrosphere | >4.45 |
17 : Marine authigenic Hadean minerals (see also #24) | |
Near-surface Processes | |
26 : Hadean detrital minerals | |
High-đ alteration and/or metamorphism | |
31 : Thermally altered carbonate, phosphate, and iron formations | |
Stage 5: Initiation of plate tectonics | <3.5-2.5 |
38 : Ophiolites | |
39 : High-đ metamorphism (blueschist, eclogite, ultrahigh đ facies) | |
40 : Regional metamorphism (greenschist, amphibolite, granulite facies) | |
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] |
Type Occurrence of Pumpellyite-(Al)
Place of Conservation of Type Material:
Laboratory of Mineralogy, University of Liège, Belgium (20327).
Geological Setting of Type Material:
veins cutting retrograde metamorphosed sedimentary rocks
Associated Minerals at Type Locality:
Reference:
Hatert, F., Pasero, M., Perchiazzi, N., Theye, T. (2007) Pumpellyite-(Al), a new mineral from Bertrix, Belgian Ardennes. European Journal of Mineralogy: 19: 247-252. [abstract: Am. Min. 93, 252 (2008)]
Synonyms of Pumpellyite-(Al)
Other Language Names for Pumpellyite-(Al)
Relationship of Pumpellyite-(Al) to other Species
Member of:
Other Members of this group:
Pumpellyite-(Fe2+) | Ca2Fe2+Al2(Si2O7)(SiO4)(OH,O)2 ¡ H2O | Mon. 2/m |
Pumpellyite-(Fe3+) | Ca2Fe3+Al2(Si2O7)(SiO4)(OH,O)2 ¡ H2O | Mon. 2/m |
Pumpellyite-(Mg) | Ca2MgAl2(Si2O7)(SiO4)(OH)2 ¡ H2O | Mon. 2/m |
Pumpellyite-(Mn2+) | Ca2Mn2+Al2(Si2O7)(SiO4)(OH)2 ¡ H2O | Mon. 2/m |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
9.BG. | Shuiskite-(Cr) | Ca2Cr3+Cr3+2[Si2O6OH][SiO4](OH)2O |
9.BG. | Alnaperbøeite-(Ce) | Ca(Ce2.5Na0.5)(AlAl2Al)[Si2O7][SiO4]3O(OH)2 |
9.BG. | Magnesiovesuvianite | Ca19MgAl4(Al6Mg2)(âť4)âť[Si2O7]4[(SiO4)10](OH)(OH)9 |
9.BG. | Alumovesuvianite | Ca19AlAl4(Al6Mg2)(âť4)âť[Si2O7]4[(SiO4)10]O(OH)9 |
9.BG. | Zoisite-(Pb) | (CaPb)(AlAlAl)O[Si2O7][SiO4](OH) |
9.BG. | Vielleaureite-(Ce) | (Mn2+Ce)(MgAlMn2+)F[Si2O7][SiO4](OH) |
9.BG. | Heflikite | (CaCa)(AlAlSc)O[Si2O7][SiO4](OH) |
9.BG. | Zilbermintsite-(La) | (CaLa5)(Fe3+Al3Fe2+)[Si2O7][SiO4]5O(OH)3 |
9.BG.05b | Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Allanite-(La) | (CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Allanite-(Y) | (CaY)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05a | Clinozoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
9.BG.05b | Dissakisite-(Ce) | (CaCe)(AlAlMg)O[Si2O7][SiO4](OH) |
9.BG.05 | Dollaseite-(Ce) | (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) |
9.BG.05a | Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
9.BG.05a | Hancockite | (CaPb)(AlAlFe3+)O[Si2O7][SiO4](OH) |
9.BG.05 | Khristovite-(Ce) | (CaCe)(MgAlMn2+)F[Si2O7][SiO4](OH) |
9.BG.05a | Mukhinite | (CaCa)(AlAlV3+)O[Si2O7][SiO4](OH) |
9.BG.05a | Piemontite | (CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH) |
9.BG.05 | Piemontite-(Sr) | (CaSr)(AlAlMn3+)O[Si2O7][SiO4](OH) |
9.BG.05b | Manganiandrosite-(La) | (Mn2+La)(Mn3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Tweddillite | (CaSr)(Mn3+AlMn3+)O[Si2O7][SiO4](OH) |
9.BG.05b | Ferriallanite-(Ce) | (CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Niigataite | (CaSr)(AlAlAl)O[Si2O7][SiO4](OH) |
9.BG.05 | Manganiandrosite-(Ce) | (Mn2+Ce)(Mn3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Dissakisite-(La) | (CaLa)(AlAlMg)O[Si2O7][SiO4](OH) |
9.BG.05 | Vanadoandrosite-(Ce) | (Mn2+Ce)(V3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Uedaite-(Ce) | (Mn2+Ce)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05a | Epidote-(Sr) | (CaSr)(AlAlFe3+)O[Si2O7][SiO4](OH) |
9.BG.05b | Allanite-(Nd) | (CaNd)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Unnamed (Mg-analogue of Ferriallanite-(Ce)) | (CaCe)(Fe3+AlMg)O[Si2O7][SiO4](OH) |
9.BG.05b | Unnamed (Mn3+-analogue of Ferriakasakaite-(Ce)) | (CaCe)(Mn3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Ferriallanite-(La) | (CaLa)(Fe3+AlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Ă skagenite-(Nd) | (Mn2+Nd)(AlAlFe3+)O[Si2O7][SiO4]O |
9.BG.05 | Piemontite-(Pb) | (CaPb)(AlAlMn3+)O[Si2O7][SiO4](OH) |
9.BG.05b | Vanadoallanite-(La) | (CaLa)(V3+AlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Ferriakasakaite-(La) | (CaLa)(Fe3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Ferriandrosite-(La) | (Mn2+La)(Fe3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Androsite-(Ce) | (Mn2+Ce)(AlAlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Ferriandrosite-(Ce) | (Mn2+Ce)(Fe3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05a v | Unnamed (Ga-analogue of Epidote) | (CaCa)(AlAlGa3+)O[Si2O7][SiO4](OH) |
9.BG.05b | UM1989-32-SiO:AlCaFeHREE | (Ca0.5âť0.5REE)(AlAlFe3+)O[Si2O7][SiO4](OH) |
9.BG.05b | Manganiakasakaite-(La) | (CaLa)(Mn3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Ferriakasakaite-(Ce) | (CaCe)(Fe3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Allanite-(Sm) | (CaSm)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.10 | Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
9.BG.15 | Macfallite | Ca2Mn3+3(SiO4)(Si2O7)(OH)3 |
9.BG.15 | Sursassite | Mn2+2Al3(SiO4)(Si2O7)(OH)3 |
9.BG.20 | Julgoldite-(Fe2+) | Ca2Fe2+Fe3+2[Si2O6OH][SiO4](OH)2(OH) |
9.BG.20 | Okhotskite | Ca2Mn2+Mn3+2[Si2O6OH][SiO4](OH)2(OH) |
9.BG.20 | Pumpellyite-(Fe2+) | Ca2Fe2+Al2(Si2O7)(SiO4)(OH,O)2 ¡ H2O |
9.BG.20 | Pumpellyite-(Fe3+) | Ca2Fe3+Al2(Si2O7)(SiO4)(OH,O)2 ¡ H2O |
9.BG.20 | Pumpellyite-(Mg) | Ca2MgAl2(Si2O7)(SiO4)(OH)2 ¡ H2O |
9.BG.20 | Pumpellyite-(Mn2+) | Ca2Mn2+Al2(Si2O7)(SiO4)(OH)2 ¡ H2O |
9.BG.20 | Shuiskite-(Mg) | Ca2MgCr3+2[Si2O6OH][SiO4](OH)2(OH) |
9.BG.20 | Julgoldite-(Fe3+) | Ca2Fe3+Fe3+2[Si2O6OH][SiO4](OH)2O |
9.BG.20 | Poppiite | Ca2V3+V3+2[Si2O6OH][SiO4](OH)2O |
9.BG.20 | Julgoldite-(Mg) | Ca2MgFe3+2[Si2O6OH][SiO4](OH)2(OH) |
9.BG.25 | Ganomalite | Pb9Ca5Mn(Si2O7)4(SiO4)O |
9.BG.25 | Wayneburnhamite | Pb9Ca6(Si2O7)3(SiO4)3 |
9.BG.30 | Rustumite | Ca10(Si2O7)2(SiO4)(OH)2Cl2 |
9.BG.35 | Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(âť4)âť[Si2O7]4[(SiO4)10]O(OH)9 |
9.BG.35 | Wiluite | Ca19MgAl4(Al,Mg)8(B,âť)4âť[Si2O7]4[(SiO4)10]O(O,OH)9 |
9.BG.35 | Manganvesuvianite | Ca19Mn3+Al4(Al6Mg2)(âť4)âť[Si2O7]4[(SiO4)10]O(OH)9 |
9.BG.35 | Fluorvesuvianite | Ca19Fe3+Al4(Al6Mg2)(âť4)âť[Si2O7]4[(SiO4)10]O(F,OH)9 |
9.BG.35 | Cyprine | Ca19Cu2+Al4(Al6Mg2)(âť4)âť[Si2O7]4[(SiO4)10](OH)(OH)9 |
9.BG.35 | Hongheite | Ca19Fe2+Al4(Fe3+,Mg)8(âť4)B[Si2O7]4[(SiO4)10]O(OH,O)9 |
9.BG.35 | Milanriederite | (Ca18[REE])Fe3+Al4(Mg4Al4)(âť4)âť[Si2O7]4[(SiO4)10](OH)(OH)9 |
9.BG.35 | Manaevite-(Ce) | (Ca13Ce4[H2O]2)Mg(Al3Mg)(Mg3Ti3Fe3+2)(âť4)âť[Si2O7]4[(SiO4)8(H4O4)2]O(OH)9 |
9.BG.40 | Vyuntspakhkite-(Y) | (Y,Yb)4Al2.5-1.5(Si,Al)1.5-2.5(SiO4)4O(OH)7 |
9.BG.45 | Dellaite | Ca6Si3O11(OH)2 |
9.BG.50 | Gatelite-(Ce) | CaCe3(AlAl2Mg)[Si2O7][SiO4]3O(OH)2 |
9.BG.50 | Perbøeite-(Ce) | CaCe3(AlAl2Fe2+)[Si2O7][SiO4]3O(OH)2 |
9.BG.50 | Ferriperbøeite-(Ce) | CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2 |
9.BG.50 | Ferriperbøeite-(La) | CaLa3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2 |
9.BG.50 | Perbøeite-(La) | CaLa3(AlAl2Fe2+)[Si2O7][SiO4]3O(OH)2 |
9.BG.55 | Västmanlandite-(Ce) | CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2 |
9.BG.60 | RadekĹĄkodaite-(La) | (CaLa5)(Al4Fe2+)[Si2O7][SiO4]5O(OH)3 |
9.BG.60 | RadekĹĄkodaite-(Ce) | (CaCe5)(Al4Fe2+)[Si2O7][SiO4]5O(OH)3 |
9.BG.60 | RadekĹĄkodaite Group | (CaM5)([Fe3+Al3]Fe2+)[Si2O7][SiO4]5O(OH)3 |
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 Pumpellyite-(Al)
mindat.org URL:
https://www.mindat.org/min-27439.html
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References for Pumpellyite-(Al)
Reference List:
Yoshiasa, Akira, Matsumoto, Takeo (1985) Crystal structure refinement and crystal chemistry of pumpellyite. American Mineralogist, 70 (9-10) 1011-1019
Hatert, FrĂŠdĂŠric, Pasero, Marco, Perchiazzi, Natale, Theye, Thomas (2007) Pumpellyite-(Al), a new mineral from Bertrix, Belgian Ardennes. European Journal of Mineralogy, 19 (2) 247-253 doi:10.1127/0935-1221/2007/0019-1720
Localities for Pumpellyite-(Al)
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
Australia | |
| Dieter Mylius collection |
Austria | |
| Kolitsch et al. (2010) |
Belgium (TL) | |
| Hatert et al. (2007) |
Czech Republic | |
| Novak et al. (2010) +2 other references |
Greece | |
| Schreiber et al. (2007) |
Italy | |
| A. Kampf |
Analyses of Anthony Kampf of Natural ... | |
| Piccoli et al. (2007) |
| Ferretti et al. (2015) +1 other reference |
Japan | |
| Kato (2009) |
| Yoshiasa et al. (1985) |
| Petrov (n.d.) |
| Yamada (2004) |
| Tsuboi (1936) |
| Seki (1958) |
| Kato (2009) |
Norway | |
| Kristiansen (2008) |
Poland | |
| Praszkier et al. (2010) |
Russia | |
| Nagashima et al. (2010) |
| Sergeevich et al. (2019) |
Switzerland | |
| Nagashima et al. (2010) |
Quick NavTopAbout Pumpellyite-(Al)Unique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
La Flèche quarry, Bertrix, Luxembourg, Wallonia, Belgium