Pinalite
A valid IMA mineral species
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About Pinalite
Seal of Pinal County, Arizona, USA
Formula:
Pb3WO5Cl2
Colour:
Bright yellow, golden, orange, pale yellow
Lustre:
Adamantine
Specific Gravity:
7.78 (Calculated)
Crystal System:
Orthorhombic
Name:
Named for Pinal County, Arizona, USA, in which the type locality is situated.
This page provides mineralogical data about Pinalite.
Unique Identifiers
Mindat ID:
3215
Long-form identifier:
mindat:1:1:3215:1
GUID
(UUID V4):
(UUID V4):
4e29b2e9-98da-4f38-b19f-f17b86037cbc
IMA Classification of Pinalite
Approved
IMA Formula:
Pb3(WO4)OCl2
Approval year:
1988
First published:
1989
Classification of Pinalite
3.DC.55
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
10.2.9.1
10 : OXYHALIDES AND HYDROXYHALIDES
2 : A(O,OH)Xq
10 : OXYHALIDES AND HYDROXYHALIDES
2 : A(O,OH)Xq
27.4.11
27 : Sulphites, Chromates, Molybdates and Tungstates
4 : Tungstates
27 : Sulphites, Chromates, Molybdates and Tungstates
4 : Tungstates
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 |
|---|---|---|
| Pnl | 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 Pinalite
Adamantine
Transparency:
Transparent
Colour:
Bright yellow, golden, orange, pale yellow
Tenacity:
Brittle
Density:
7.78 g/cm3 (Calculated)
Optical Data of Pinalite
Type:
Biaxial (+)
RI values:
nα = 2.490 nβ = 2.495 nγ = 2.505
2V:
Measured: 70° to 70.5°, Calculated: 71°
Max Birefringence:
δ = 0.015
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:
Very High
Dispersion:
r > v moderate
Chemistry of Pinalite
Mindat Formula:
Pb3WO5Cl2
Elements listed:
Crystallography of Pinalite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 11.073(2) Å, b = 13.067(3) Å, c = 5.617(1) Å
Ratio:
a:b:c = 0.847 : 1 : 0.43
Unit Cell V:
812.73 ų (Calculated from Unit Cell)
Z:
4
Twinning:
About [010], yielding penetration twins by rotation.
Comment:
Space Group: Amam.
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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CIF File Best | x | y | z | a | b | c
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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) |
|---|---|---|---|---|---|---|---|
| 0002460 | Pinalite | Grice J D, Dunn P J (2000) Crystal-structure determination of pinalite American Mineralogist 85 806-809 |  | 2000 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.926 Å | (10) |
| 3.778 Å | (9) |
| 1.642 Å | (5) |
| 3.284 Å | (4) |
| 2.814 Å | (4) |
| 6.52 Å | (3) |
| 2.770 Å | (3) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47g : [Halogen-bearing surface weathering minerals] | |
| 47h : [Near-surface oxidized, dehydrated minerals] |
Type Occurrence of Pinalite
General Appearance of Type Material:
bladed acicular crystals
Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa, Canada, 53775; Harvard University, Cambridge, Massachusetts, 119858; National Museum of Natural History, Washington, D.C., USA, 165890.
Associated Minerals at Type Locality:
Reference:
Dunn, P.J., Grice, J.D., Bideaux, R.A. (1989) Pinalite, a new lead tungsten chloride mineral from the Mammoth mine, Pinal County, Arizona. American Mineralogist: 74: 934-935.
Synonyms of Pinalite
Other Language Names for Pinalite
Common Associates
Associated Minerals Based on Photo Data:
| 1 photo of Pinalite associated with Diaboleite | Pb2CuCl2(OH)4 |
| 1 photo of Pinalite associated with Quartz | SiO2 |
Related Minerals - Strunz-mindat Grouping
| 3.DC. | Lucabindiite | (K,NH4)As4O6(Cl,Br) |
| 3.DC. | Torrecillasite | Na(As,Sb)3+4O6Cl |
| 3.DC. | Gajardoite | KCa0.5As3+4O6Cl2 · 5H2O |
| 3.DC. | Cuatrocapaite-(NH₄) | (NH4)3(NaMg◻)(As2O3)6Cl6 · 16H2O |
| 3.DC. | Cuatrocapaite-(K) | K3(NaMg◻)(As2O3)6Cl6 · 16H2O |
| 3.DC. | Napoliite | Pb2OFCl |
| 3.DC.05 | Laurionite | PbCl(OH) |
| 3.DC.05 | Paralaurionite | PbCl(OH) |
| 3.DC.05 | Russoite | (NH4)ClAs2O3(H2O)0.5 |
| 3.DC.05 | Mauriziodiniite | (NH4)(As2O3)2I |
| 3.DC.10 | Fiedlerite | Pb3FCl4(OH) · H2O |
| 3.DC.15 | Penfieldite | Pb2Cl3(OH) |
| 3.DC.15 | Telluroperite | Pb3TeO4Cl2 |
| 3.DC.20 | Laurelite | Pb7F12Cl2 |
| 3.DC.25 | Bismoclite | BiOCl |
| 3.DC.25 | Matlockite | PbFCl |
| 3.DC.25 | Rorisite | CaFCl |
| 3.DC.25 | Zavaritskite | (BiO)F |
| 3.DC.25 | Zhangpeishanite | BaFCl |
| 3.DC.30 | Nadorite | PbSbClO2 |
| 3.DC.30 | Perite | PbBiClO2 |
| 3.DC.40 | Thorikosite | Pb3Cl2(OH)(SbO3,AsO3) |
| 3.DC.45 | Mereheadite | Pb47Cl25(OH)13O24(CO3)(BO3)2 |
| 3.DC.50 | Blixite | Pb8O5(OH)2Cl4 |
| 3.DC.52 | Rumseyite | Pb2OClF |
| 3.DC.55 | Vladkrivovichevite | [Pb32O18][Pb4Mn2O]Cl14(BO3)8 · 2H2O |
| 3.DC.57 | Yeomanite | Pb2O(OH)Cl |
| 3.DC.60 | Lorettoite | Pb7O6Cl2 |
| 3.DC.60 | Symesite | Pb10(SO4)O7Cl4 · H2O |
| 3.DC.62 | Sarawakite (of Frenzel) | Sb, O, Cl (?) |
| 3.DC.65 | Ecdemite | Pb6Cl4(As2O7) |
| 3.DC.70 | Mendipite | Pb3Cl2O2 |
| 3.DC.75 | Damaraite | Pb3Cl(OH)O2 |
| 3.DC.80 | Onoratoite | Sb8Cl2O11 |
| 3.DC.95 | Barstowite | Pb4Cl6(CO3) · H2O |
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 Pinalite
mindat.org URL:
https://www.mindat.org/min-3215.html
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Please feel free to link to this page.
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References for Pinalite
Reference List:
Localities for Pinalite
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.
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Quick NavTopAbout PinaliteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth Mining District, Pinal County, Arizona, USA