Lipscombite
A valid IMA mineral species - grandfathered
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About Lipscombite
William Nunn Lipscomb, Jr.
Formula:
Fe2+Fe3+2(PO4)2(OH)2
Lipscombite from the type locality appears to be Mn2+>Fe2+ (but based on a pre-microprobe analysis that even its authors remark might be a bit "iffy" with regards to an accurate Fe3+/∑Fe ratio). Also, the literature describing lipscombite from other localities have not been evaluated here (yet) for any analytical data that might indicate their Mn2+/Fe2+ ratios; hence, the possibility exists that the Fe2+-dominant composition for which the mineral is officially defined may only be known from synthetic material.
Colour:
Black, dark greenish, olive-green, pale greenish, yellowish brown
Lustre:
Sub-Adamantine, Vitreous, Waxy
Specific Gravity:
3.66
Crystal System:
Tetragonal
Name:
In honour of William Nunn Lipscomb, Jr. (9 December 9, 1919, Cleveland, Ohio, USA - 14 April 2011, Cambridge, Massachusetts, USA), American inorganic and organic chemist, University of Minnesota, Minneapolis, Minnesota, USA, who determined the crystal structure of the synthetic compound. The name was originally given to synthetic material. Lipscomb was awarded the Nobel Prize in Chemistry in 1976 “for his studies on the structure of boranes illuminating problems of chemical bonding”.
Dimorph of:
Isostructural with:
Unique Identifiers
Mindat ID:
2412
Long-form identifier:
mindat:1:1:2412:5
GUID
(UUID V4):
(UUID V4):
0868555f-5e22-4ff9-8fa2-16c6d91c5538
IMA Classification of Lipscombite
Approved, 'Grandfathered' (first described prior to 1959)
Classification of Lipscombite
8.BB.90
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1
41.10.2.1
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
10 : (AB)3(XO4)2Zq
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
10 : (AB)3(XO4)2Zq
19.12.14
19 : Phosphates
12 : Phosphates of Mn
19 : Phosphates
12 : Phosphates of Mn
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference |
|---|---|---|
| Lcb | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Lcb | 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 Lipscombite
Sub-Adamantine, Vitreous, Waxy
Transparency:
Transparent, Translucent, Opaque
Colour:
Black, dark greenish, olive-green, pale greenish, yellowish brown
Hardness Data:
Could not be measured
Density:
3.66(1) g/cm3 (Measured) 3.68 g/cm3 (Calculated)
Chemistry of Lipscombite
Mindat Formula:
Fe2+Fe3+2(PO4)2(OH)2
Lipscombite from the type locality appears to be Mn2+>Fe2+ (but based on a pre-microprobe analysis that even its authors remark might be a bit "iffy" with regards to an accurate Fe3+/∑Fe ratio). Also, the literature describing lipscombite from other localities have not been evaluated here (yet) for any analytical data that might indicate their Mn2+/Fe2+ ratios; hence, the possibility exists that the Fe2+-dominant composition for which the mineral is officially defined may only be known from synthetic material.
Lipscombite from the type locality appears to be Mn2+>Fe2+ (but based on a pre-microprobe analysis that even its authors remark might be a bit "iffy" with regards to an accurate Fe3+/∑Fe ratio). Also, the literature describing lipscombite from other localities have not been evaluated here (yet) for any analytical data that might indicate their Mn2+/Fe2+ ratios; hence, the possibility exists that the Fe2+-dominant composition for which the mineral is officially defined may only be known from synthetic material.
Elements listed:
Crystallography of Lipscombite
Crystal System:
Tetragonal
Class (H-M):
4 2 2 - Trapezohedral
Space Group:
P41 21 2
Cell Parameters:
a = 7.310 Å, c = 13.212 Å
Ratio:
a:c = 1 : 1.807
Unit Cell V:
706.00 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Small dipyramidal crystals which may form radiating aggregates; rarely blocky to stubby crystals. Also massive.
Comment:
Cell for synthetic material (Vencato et al., 1989). Originally given cell: 5.37, 12.81 A; subsequently given cell: 7.40, 12.81
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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2x2x2 | 3x3x3 | 4x4x4
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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) |
|---|---|---|---|---|---|---|---|
| 0001230 | Lipscombite | Vencato I, Mattievich E, Mascarenhas Y P (1989) Crystal structure of synthetic lipscombite: A redetermination American Mineralogist 74 456-460 |  | 1989 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.84 Å | (3) |
| 3.314 Å | (10) |
| 3.206 Å | (6) |
| 2.302 Å | (3) |
| 2.054 Å | (3) |
| 1.656 Å | (4) |
| 1.601 Å | (4) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Near-surface Processes | |
| 22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23) |
Type Occurrence of Lipscombite
Place of Conservation of Type Material:
Not determined.
Other Language Names for Lipscombite
Common Associates
Associated Minerals Based on Photo Data:
| 7 photos of Lipscombite associated with Jarosite | KFe3+3(SO4)2(OH)6 |
| 6 photos of Lipscombite associated with Perhamite | Ca3Al7.7Si3P4O23.5(OH)14.1 · 8H2O |
| 5 photos of Lipscombite associated with Leucophosphite | KFe3+2(PO4)2(OH) · 2H2O |
| 4 photos of Lipscombite associated with Variscite | AlPO4 · 2H2O |
| 3 photos of Lipscombite associated with Kidwellite | NaFe3+9+x(PO4)6(OH)11 · 3H2O, x = 0.33 |
| 2 photos of Lipscombite associated with Meurigite | |
| 2 photos of Lipscombite associated with Turquoise | CuAl6(PO4)4(OH)8 · 4H2O |
| 2 photos of Lipscombite associated with Chalcosiderite | CuFe3+6(PO4)4(OH)8 · 4H2O |
| 2 photos of Lipscombite associated with Phosphosiderite | FePO4 · 2H2O |
| 2 photos of Lipscombite associated with Strengite | FePO4 · 2H2O |
Related Minerals - Strunz-mindat Grouping
| 8.BB. | Tilasite | CaMg(AsO4)F |
| 8.BB.X | Arsenowagnerite | Mg2(AsO4)F |
| 8.BB. | Moabite | NiFe3+(PO4)O |
| 8.BB. | Karlditmarite | Cu9O4(PO4)2(SO4)2 |
| 8.BB. | Milkovoite | Cu4O(PO4)(AsO4) |
| 8.BB. | Paulgrothite | Cu9Fe3+O4(PO4)4Cl3 |
| 8.BB.05 | Amblygonite | LiAl(PO4)F |
| 8.BB.05 | Montebrasite | LiAl(PO4)(OH) |
| 8.BB.05 | Tavorite | LiFe3+(PO4)(OH) |
| 8.BB.10 | Triplite | Mn2+2(PO4)F |
| 8.BB.10 | Zwieselite | Fe2+2(PO4)F |
| 8.BB.15 | Sarkinite | Mn2+2(AsO4)(OH) |
| 8.BB.15 | Triploidite | Mn2+2(PO4)(OH) |
| 8.BB.15 | Wagnerite | (Mg,Fe2+)2(PO4)F |
| 8.BB.15 | Wolfeite | Fe2+2(PO4)(OH) |
| 8.BB.15 | Stanĕkite | (Mn2+,Fe2+,Mg)Fe3+(PO4)O |
| 8.BB.15 | Joosteite | Mn2+(Mn3+,Fe3+)(PO4)O |
| 8.BB.15 | Hydroxylwagnerite | Mg2(PO4)(OH) |
| 8.BB.15 | Unnamed (Sb-analogue of Auriacusite) | Fe3+Cu2+[(Sb,As)O4]O |
| 8.BB.20 | Holtedahlite | Mg2(PO4)(OH) |
| 8.BB.20 | Satterlyite | (Fe2+,Mg,Fe)12(PO4)5(PO3OH)(OH,O)6 |
| 8.BB.25 | Althausite | Mg4(PO4)2(OH,O)(F,◻) |
| 8.BB.30 | Adamite | Zn2(AsO4)(OH) |
| 8.BB.30 | Eveite | Mn2+2(AsO4)(OH) |
| 8.BB.30 | Libethenite | Cu2(PO4)(OH) |
| 8.BB.30 | Olivenite | Cu2(AsO4)(OH) |
| 8.BB.30 | Zincolibethenite | CuZn(PO4)(OH) |
| 8.BB.30 | Zincolivenite | CuZn(AsO4)(OH) |
| 8.BB.30 | Auriacusite | Fe3+Cu2+(AsO4)O |
| 8.BB.35 | Paradamite | Zn2(AsO4)(OH) |
| 8.BB.35 | Tarbuttite | Zn2(PO4)(OH) |
| 8.BB.40 | Barbosalite | Fe2+Fe3+2(PO4)2(OH)2 |
| 8.BB.40 | Hentschelite | CuFe3+2(PO4)2(OH)2 |
| 8.BB.40 | Lazulite | MgAl2(PO4)2(OH)2 |
| 8.BB.40 | Scorzalite | Fe2+Al2(PO4)2(OH)2 |
| 8.BB.40 | Wilhelmkleinite | ZnFe3+2(AsO4)2(OH)2 |
| 8.BB.45 | Trolleite | Al4(PO4)3(OH)3 |
| 8.BB.45 | Yaroshevskite | Cu9O2(VO4)4Cl2 |
| 8.BB.45 | Dokuchaevite | Cu8O2(VO4)3Cl3 |
| 8.BB.50 | Namibite | Cu(BiO)2(VO4)(OH) |
| 8.BB.50 | Aleutite | [Cu5O2](AsO4)(VO4) · (Cu,K,Pb,Rb,Cs,)Cl |
| 8.BB.52a | Ericlaxmanite | Cu4O(AsO4)2 |
| 8.BB.52b | Kozyrevskite | Cu4O(AsO4)2 |
| 8.BB.55 | Phosphoellenbergerite | (Mg,◻)2Mg12(PO4,PO3OH)6(PO3OH,CO3)2(OH)6 |
| 8.BB.55 | Popovite | Cu5O2(AsO4)2 |
| 8.BB.60 | Urusovite | CuAl(AsO4)O |
| 8.BB.65 | Theoparacelsite | Cu3(As2O7)(OH)2 |
| 8.BB.70 | Turanite | Cu5(VO4)2(OH)4 |
| 8.BB.75 | Stoiberite | Cu5(VO4)2O2 |
| 8.BB.80 | Fingerite | Cu11(VO4)6O2 |
| 8.BB.85 | Averievite | Cu6(VO4)2O2Cl2 |
| 8.BB.90 | Richellite | CaFe3+2(PO4)2(OH,F)2 |
| 8.BB.90 | Zinclipscombite | ZnFe3+2(PO4)2(OH)2 |
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 Lipscombite
mindat.org URL:
https://www.mindat.org/min-2412.html
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References for Lipscombite
Reference List:
Localities for Lipscombite
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.
Argentina | |
| Dina (1993) |
| Demartin et al. (1997) +1 other reference | |
| Roda-Robles et al. (2012) |
Australia | |
| Lottermoser et al. (1997) |
| White (Jr) |
Brazil | |
| Baijot et al. (2014) |
| Sergio Varvello collection | |
| Mineralogical Record: 30: 347 +2 other references |
| Sergio Varvello collection |
| Amores et al. (2014) +1 other reference |
Cameroon | |
| Fransolet et al. (1984) |
Canada | |
| DIXON et al. (2014) |
Chile | |
| Francisco Velasco et al. (2020) |
Czech Republic | |
| Povondra et al. (eds.) +1 other reference |
| Č +4 other references |
| Škoda +3 other references |
Europe | |
| Berbain et al. (2012) | |
France | |
| M Arliguie collection +1 other reference |
| Boisson (1988) |
| Inventaire mineralogique de l'Ariege (Editions BRGM 1984) |
| Berbain et al. (2012) |
| Berbain et al. (2012) |
Germany | |
| Walenta (1995) |
| www.berthold-weber.de (2001) |
| Bender et al. (1994) |
| T. Witzke & F. Rüger: Lapis 1998 (7/8) |
Italy | |
| Vignola P. et al. (2011) |
| Vignola P. et al. (2011) |
Japan | |
| S. Matsubara (2000) |
| S. Matsubara (2000) | |
| Yamada (2004) | |
Madagascar | |
| Behier (1960) |
Mexico | |
| Michael Shannon specimens |
Morocco | |
| ČECH et al. (1972) |
| Favreau (2012) |
Namibia | |
| von Bezing (2007) |
| Keller (1974) | |
| P. Keller and O. von Knorring |
Portugal | |
| |
Rwanda | |
| Bertossa (1968) +1 other reference |
Spain | |
| Roda-Robles M E et al. (2014) |
| Roda-Robles et al. (1998) |
| Garate-Olave I et al. (2014) |
Switzerland | |
| Stalder et al. (1998) |
USA | |
| Rocks & Minerals: 70 (5) |
| Rocks & Min.: 63:108. |
| Rocks & Minerals: 64: 297. |
| Rocks and Minerals (1988) |
| Marc V. Hurst (2012) |
| Bernstein (1976) |
| Castor et al. (2004) |
| Dr. William S. Wise presentation to ... |
| Joan Rosell (Barcelona) |
| Joe Marty et al. (1999) |
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Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany