Philolithite (original) (raw)
A valid IMA mineral species
About PhilolithiteHide
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Formula:
Pb12Mn2+(Mg,Mn2+)2(Mn2+,Mg)4(CO3)4(SO4)O6(OH)12Cl4
Colour:
Pale to medium apple-green
Specific Gravity:
5.91 (Calculated)
Crystal System:
Tetragonal
Name:
The name philolithite (pronounced fĭ-lō lĭ-thīt), was suggested by collector Kay Robertson of California. It is derived from the Greek φίλος (philos = loving, friendly toward) and λίθος (lithos = stone), "in honor of the Friends of Mineralogy, Inc. and in recognition of the friends and lovers of minerals everywhere who enthusiastically and with great zeal offer (and give) their help to the mineralogical community."
This page provides mineralogical data about Philolithite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:7230:0
776d1dfd-5417-49ec-bee1-f7d3231b9037
IMA Classification of PhilolithiteHide
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IMA Formula:
Pb12O6Mn7(SO4)(CO3)4Cl4(OH)12
Classification of PhilolithiteHide
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5.BF.35
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
F : With (Cl), SO4, PO4, TeO3
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Phi | 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 PhilolithiteHide
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Colour:
Pale to medium apple-green
Density:
5.91 g/cm3 (Calculated)
Optical Data of PhilolithiteHide
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RI values:
_n_α = 1.920 _n_β = 1.940 _n_γ = 1.950
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Optical Extinction:
X ∧ a = 45; Z = c.
Comments:
Very weak, pale green to yellow-green.
Chemistry of PhilolithiteHide
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Mindat Formula:
Pb12Mn2+(Mg,Mn2+)2(Mn2+,Mg)4(CO3)4(SO4)O6(OH)12Cl4
Crystallography of PhilolithiteHide
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Crystal System:
Tetragonal
Class (H-M):
4/m m m _(_4/_m_2/_m_2/m ) - Ditetragonal Dipyramidal
Cell Parameters:
a = 12.627(9) Å, c = 12.595(9) Å
Unit Cell V:
2,008.16 ų (Calculated from Unit Cell)
Morphology:
Simple tetragonal tablets dominated by the forms {001} and {111}. Likely also {110} and {112}.
Twinning:
Sector twinning about the c-axis.
Comment:
Space group P42/nnm
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0002461 | Philolithite | Moore P B, Kampf A R, Sen Gupta P K (2000) The crystal structure of philolithite, a trellis-like open framework based on cubic closest-packing of anions American Mineralogist 85 810-816 |  |
2000 | Langban mines, Filipstad district, Varmland, Sweden | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 8.95 Å | (20) |
| 7.30 Å | (20) |
| 3.99 Å | (30) |
| 2.975 Å | (100) |
| 2.752 Å | (30) |
| 2.473 Å | (20) |
| 1.716 Å | (20) |
Geological EnvironmentHide
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Type Occurrence of PhilolithiteHide
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General Appearance of Type Material:
Crust-like overgrowths on subhedral lead. Euhedral crystals perched on lead wires. Thin (< 1 mm), cleavable, fissure filling in a Mn-silicate-rich carbonate rock.
Place of Conservation of Type Material:
Swedish Museum of Natural History, Stockholm, Sweden, 37389, 225116.
Canadian Museum of Nature, Ottawa, Canada, 58623.
Los Angeles Co. Museum, Los Angeles, California, USA, 41794.
Associated Minerals at Type Locality:
Synonyms of PhilolithiteHide
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Other Language Names for PhilolithiteHide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 5.BF.05 | Northupite | Na3Mg(CO3)2Cl | Iso. m_3(2/m_3) : F _d_3 |
|---|---|---|---|
| 5.BF.05 | Manganotychite | Na6Mn2(CO3)4(SO4) | Iso. m_3(2/m_3) : F _d_3 |
| 5.BF.05 | Tychite | Na6Mg2(CO3)4(SO4) | Iso. m_3(2/m_3) : F _d_3 |
| 5.BF.05 | Ferrotychite | Na6(Fe,Mn,Mg)2(CO3)4(SO4) | Iso. m_3(2/m_3) : F _d_3 |
| 5.BF.10 | Sidorenkite | Na3Mn2+(CO3)(PO4) | Mon. |
| 5.BF.10 | Crawfordite | Na3Sr(CO3)(PO4) | Mon. 2 : _P_21 |
| 5.BF.10 | Bonshtedtite | Na3Fe2+(CO3)(PO4) | Mon. 2/m : _P_21/m |
| 5.BF.10 | Bradleyite | Na3Mg(CO3)(PO4) | Mon. 2/m : _P_21/m |
| 5.BF.15 | Daqingshanite-(Ce) | (Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x | Trig. |
| 5.BF.20 | Reederite-(Y) | (Na,Mn)15Y2(CO3)9(FSO3)Cl | Hex. 6 : _P_6 |
| 5.BF.25 | Mineevite-(Y) | Na25Ba(Y,Gd,Dy)2(CO3)11(HCO3)4(SO4)2F2Cl | Hex. 6/m : _P_63/m |
| 5.BF.30 | Brianyoungite | Zn3(CO3,SO4)(OH)4 | Mon. 2/m : _P_21/m |
| 5.BF.40 | Leadhillite | Pb4(CO3)2(SO4)(OH)2 | Mon. 2/m : _P_21/b |
| 5.BF.40 | Macphersonite | Pb4(CO3)2(SO4)(OH)2 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 5.BF.40 | Susannite | Pb4(CO3)2(SO4)(OH)2 | Trig. 3 : _P_3 |
| 5.BF.45 | Peatite-(Y) | Li4Na12Y12(PO4)12(CO3)4(F,OH)8 | Orth. 222 : _P_222 |
| 5.BF.50 | Ramikite-(Y) | Li4(Na,Ca)12Y6Zr6(PO4)12(CO3)4O4[(OH),F]4 | Tric. 1 : _P_1 |
Fluorescence of PhilolithiteHide
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Other InformationHide
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Notes:
Crystals decompose immediately in high-refractive-index liquids, with the evolution of bubbles.
In 1:1 HCl at room temperature, it gradually dissolves and decomposes with slow production of bubbles, leaving a white curd.
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 PhilolithiteHide
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References for PhilolithiteHide
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Reference List:
Localities for PhilolithiteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- 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.
| Sweden (TL) | |
|---|---|
| Värmland County Filipstad Långban Ore District ⓘ Långban Mine (TL) | Wenrich (1997) +2 other references |