Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Parkinsonite

A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About ParkinsoniteHide

Formula:
Pb7MoO9Cl2
Colour:
Bright red, purplish red, brownish red
Lustre:
Adamantine, Resinous, Pearly
Hardness:
2 - 2½
Specific Gravity:
7.32
Crystal System:
Tetragonal
Name:
For British mineral collector and dealer, Reginald F.D. Parkinson (20 May 1928, Battersea, Wandsworth - 13 March 1993, Bristol), who found the mineral.
The Mo-dominant analogue of janchevite.


Unique IdentifiersHide

Mindat ID:
3123
Long-form identifier:
mindat:1:1:3123:9
GUID
(UUID V4):
a9d08a17-b8e0-4c1c-a2cb-1f8bd9854ff0

IMA Classification of ParkinsoniteHide

Classification of ParkinsoniteHide

3.DB.40

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
B : With Pb, Cu, etc.
10.5.11.1

10 : OXYHALIDES AND HYDROXYHALIDES
5 : Am(O,OH)pXq

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
PknIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of ParkinsoniteHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of ParkinsoniteHide

Adamantine, Resinous, Pearly
Transparency:
Translucent
Colour:
Bright red, purplish red, brownish red
Streak:
Scarlet to grenadine-red
Hardness:
2 - 2½ on Mohs scale
Hardness:
VHN50=122 kg/mm2 - Vickers
Tenacity:
Sectile
Cleavage:
Perfect
{001}, perfect; {100}, possible, fair
Density:
7.32 g/cm3 (Measured)    7.39 g/cm3 (Calculated)

Optical Data of ParkinsoniteHide

Type:
Uniaxial (-)
RI values:
nω = 2.580 nε = 2.420
Max Birefringence:
δ = 0.160
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Anisotropism:
Weak to moderate
Bireflectance:
Moderate
Colour in reflected light:
gray
Internal Reflections:
deep red to red-orange
Pleochroism:
Strong
Comments:
O = brownish red; E = greenish yellow

Chemistry of ParkinsoniteHide

Mindat Formula:
Pb7MoO9Cl2

Crystallography of ParkinsoniteHide

Crystal System:
Tetragonal
Cell Parameters:
a = 3.9992(3) Å, c = 22.514(3) Å
Ratio:
a:c = 1 : 5.63
Unit Cell V:
360.08 ų (Calculated from Unit Cell)
Z:
2
Comment:
Point Group: 4/m 2/m 2/m, 42m, 4mm, or 422; Space Group: I4/mmm, I42m, I4m2, I4mm, or I422.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.983 Å(100)
2.816 Å(78)
1.989 Å(75)
1.658 Å(51)
1.586 Å(33)
3.507 Å(32)
1.263 Å(24)

Geological EnvironmentHide

Paragenetic Mode(s):

Type Occurrence of ParkinsoniteHide

General Appearance of Type Material:
As bladed crystals, to 0.3 mm, and crystalline aggregates
Place of Conservation of Type Material:
The Natural History Museum, London, England, 1987,478–479.
Associated Minerals at Type Locality:
Reference:
Symes, R.F., Cressey, G., Griddle, A.J., Stanley, C.J., Francis, J.G., and Jones, G.C. (1994) Parkinsonite, (Pb,Mo,□)8O8Cl2, a new mineral from Merehead Quarry, Somerset. Mineralogical Magazine: 58(390): 59-68.

Synonyms of ParkinsoniteHide

Other Language Names for ParkinsoniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
12 photos of Parkinsonite associated with MendipitePb3Cl2O2
4 photos of Parkinsonite associated with Lead-bearing Aragonite(Ca,Pb)CO3
3 photos of Parkinsonite associated with MereheaditePb47Cl25(OH)13O24(CO3)(BO3)2
3 photos of Parkinsonite associated with DiaboleitePb2CuCl2(OH)4
3 photos of Parkinsonite associated with ChloroxiphitePb3CuO2Cl2(OH)2
3 photos of Parkinsonite associated with CalciteCaCO3
3 photos of Parkinsonite associated with Manganese Oxides
1 photo of Parkinsonite associated with Manganese-bearing Calcite(Ca,Mn)CO3

Related Minerals - Strunz-mindat GroupingHide

3.DB.RickturneritePb7O4[Mg(OH)4](OH)Cl3Orth. mmm (2/m 2/m 2/m) : Pnma
3.DB.05DiaboleitePb2CuCl2(OH)4Tet. 4mm : P4mm
3.DB.10PseudoboleitePb31Cu24Cl62(OH)48Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
3.DB.15BoleiteKPb26Ag9Cu24(OH)48Cl62Iso. m3m (4/m 3 2/m) : Pm3m
3.DB.20CumengeitePb21Cu20Cl42(OH)40 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
3.DB.25BideauxitePb2AgCl3(F,OH)2Iso. m3m (4/m 3 2/m) : Fd3m
3.DB.30ChloroxiphitePb3CuO2Cl2(OH)2Mon. 2/m : P21/m
3.DB.35HematophanitePb4Fe3O8(OH,Cl)Tet. 4mm : P4mm
3.DB.40AsisitePb7SiO9Cl2 Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
3.DB.40JanchevitePb7V5+(O8.50.5)Cl2Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
3.DB.45MurdochitePbCu6O8-x(Cl,Br)2xIso. m3m (4/m 3 2/m) : Fm3m
3.DB.45EddaviditePb2Cu12O15Br2Iso. m3m (4/m 3 2/m) : Fm3m
3.DB.50YedlinitePb6Cr3+Cl6(O,OH,H2O)8Trig. 3 : R3
3.DB.55SiidraitePb2Cu(OH)2I3Orth. mmm (2/m 2/m 2/m) : Fddd

Other InformationHide

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 ParkinsoniteHide

References for ParkinsoniteHide

Reference List:

Localities for ParkinsoniteHide

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

- 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.
Namibia
 
  • Oshikoto Region
    • Tsumeb
UK (TL)
 
  • England
    • Bristol
      • Westbury on Trym
    • Somerset
      • Mendip
        • Cranmore
USA
 
  • Arizona
    • Maricopa County
      • Painted Rock Mountains
        • Painted Rock Mining District
          • Theba
 
Mineral and/or Locality  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: March 28, 2024 09:03:52 Page updated: November 29, 2023 22:28:24
Go to top of page