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Paulmooreite

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Paul Paulus Brian Moore
Formula:
Pb2[As2O5]
Colour:
Colourless to pale orange
Lustre:
Sub-Adamantine
Hardness:
3
Specific Gravity:
6.95(5)
Crystal System:
Monoclinic
Name:
Named in 1979 by Pete J. Dunn, Donald R. Peacor, and B. Darko Sturman in honor of Dr. Paul (Paulus) B. Moore [November 24, 1940 Stamford Connecticut, USA -], former Professor of Physics, University of Chicago. At the University, Paul worked closely with his colleague, Takaharu Araki. He developed an interest in minerals from his teacher in public school in Upper Saddle River, New Jersey, Wilfred R. Welsh [January 29, 1915 West Orange, New Jersey, USA - November 14, 2002 Newton, New Jersey, USA]. Paul's first love was minerals of Franklin-Ogdensburg, New Jersey, but he also specialized in the study of phosphates from granite pegmatites, mineralogy of Långban, Sweden and in the physics, mineralogy, and structure of lithium-bearing and boron-bearing minerals. He was a prolific student of crystal structures analysis and proposed a number of crystallo-chemical relationship in minerals. He was a also student of the Franklin Marble formation, NJ and NY. Paul was noted for his field studies as well as his laboratory work. In 1973, Paul was the recipient of the Mineralogical Society of America Award. Paul named a great many phosphate and arsenate minerals, as well as minerals from other groups. A partial species list of minerals he named includes: bjarebyite, ericssonite, eveite, ferrowyllieite, foggite, gabrielsonite, gainesite, goedkinite, jahnsite-(CaMnFe), jahnsite-(CaMnMg), julgoldite-Fe2+, julgoldite-Fe3+, joesmithite, jungite, kidwellite, maghagendorfite, manganhumite, matulaite, olmsteadite, orthoericssonite, parwelite, perloffite, philolithite, robertsite, rosemaryite, samuelsonite, schoonerite, segelerite, stenhuggarite, welinite, welshite, wermlandite, whiteite-(CaFeMg), whiteite-(MnFeMg), whitmoreite, and wyllieite. He was the author of hundreds of publications, more than a hundred of which were crystal structure determinations, and was co-author of the book: Phosphate Minerals.
As a recreational pursuit, he had a fascination for butterflies, discovering gender-specific fluorescent properties of wing pigments. (In his retirement years, Paul legally changed his named to its Latinized version, Paulus, in homage to the time-honored practice of many early scientists. Few, if any, of his voluminous publications use "Paulus" on the by-line.)
This page provides mineralogical data about Paulmooreite.


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Classification of PaulmooreiteHide

Approved
4.JA.50

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
A : Arsenites, antimonites, bismuthites; without additional anions, without H2O
45.1.8.1

45 : ACID AND NORMAL ANTIMONITES AND ARSENITES
1 : Miscellaneous
23.6

23 : Arsenites

Physical Properties of PaulmooreiteHide

Sub-Adamantine
Transparency:
Transparent
Colour:
Colourless to pale orange
Streak:
White
Hardness:
Tenacity:
Very brittle
Cleavage:
Distinct/Good
{100}
Density:
6.95(5) g/cm3 (Measured)    6.86 g/cm3 (Calculated)

Optical Data of PaulmooreiteHide

Type:
Biaxial (+)
RI values:
nβ = 1.900 - 2.000 n = 1.9 - 2.0
2V:
Measured: 65°
Birefringence:
0.1
Max Birefringence:
δ = 0.000
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v very strong
Optical Extinction:
Z^a = 10°, Y=b
Pleochroism:
Non-pleochroic

Chemical Properties of PaulmooreiteHide

Formula:
Pb2[As2O5]
IMA Formula:
Pb2As3+2O5

Crystallography of PaulmooreiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/a
Cell Parameters:
a = 13.548 Å, b = 5.650 Å, c = 8.551 Å
β = 108.78°
Ratio:
a:b:c = 2.398 : 1 : 1.513
Unit Cell V:
619.70 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Tabular on {100} or {001}; Observed faces include {100}, {001}, {011} with small or uncommon {201}, {110}, {111}
Comment:
Space group 2/m

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.43 (27)
6.078 (20)
4.640 (2)
4.244 (32)
4.123 (3)
4.066 (20)
3.483 (21)
3.409 (34)
3.291 (100)
3.215 (14)
3.039 (14)
3.020 (20)
3.005 (33)
2.904 (47)
2.825 (4)
2.794 (11)
2.759 (45)
2.704 (25)
2.676 (13)
2.661 (10)
2.558 (3)
2.531 (2)
2.501 (14)
2.448 (12)
2.357 (8)
2.320 (2)
2.254 (7)
2.244 (5)
2.216 (12)
2.210 (8)
2.197 (5)
2.164 (10)
2.098 (2)
2.047 (3)
2.033 (6)
2.024 (15)
1.9994 (6)
1.9778 (3)
1.9735 (3)
1.9560 (8)
1.9244 (3)
1.9070 (6)
1.9019 (5)
1.8971 (6)
1.817 (2)
1.8169 (2)
1.7739 (2)
1.7650 (9)
1.7605 (16)
1.7328 (5)
Comments:
ICDD 33-735; see also ICDD 736

Type Occurrence of PaulmooreiteHide

General Appearance of Type Material:
Tabular crystals and grains to 0.5-1.0 mm
Geological Setting of Type Material:
Metamorphosed iron-manganese stratabound deposit containing unusual enrichment of many trace elements.
Associated Minerals at Type Locality:

Synonyms of PaulmooreiteHide

Other Language Names for PaulmooreiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Calcite2 photos of Paulmooreite associated with Calcite on mindat.org.
Hematite2 photos of Paulmooreite associated with Hematite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.JA.05LeiteiteZn(As2O4)Mon. 2/m : P21/b
4.JA.10ReineriteZn3(AsO3)2Orth.
4.JA.15KaribibiteFe3+3(As3+O2)4(As3+2O5)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
4.JA.20KusachiiteCuBi2O4Tet.
4.JA.20SchafarzikiteFe2+Sb3+2O4Tet. 4/mmm (4/m 2/m 2/m) : P42/mbc
4.JA.20TrippkeiteCu[As2O4]Tet. 4/mmm (4/m 2/m 2/m) : P42/mbc
4.JA.25ApuaniteFe2+Fe3+4Sb3+4O12STet. 4/mmm (4/m 2/m 2/m) : P42/mbc
4.JA.30VersiliaiteFe2Fe4Sb6O16SOrth.
4.JA.35SchneiderhöhniteFe2+Fe3+3[As5O13]Tric. 1 : P1
4.JA.40Zimbabweite(Na,K)2PbAs4(Ta,Nb,Ti)4O18Orth.
4.JA.45LudlockitePbFe3+4As3+10O22Tric. 1 : P1
4.JA.55StibivaniteSb2VO5Orth.
4.JA.60Chadwickite(UO2)[HAsO3]Tet.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

23.2NanlingiteNa(Ca5Li)Mg12(AsO3)2[Fe(AsO3)6]F14Trig.
23.3LeiteiteZn(As2O4)Mon. 2/m : P21/b
23.5Kuznetsovite(Hg+2)Hg2+(AsO4)ClIso. 2 3 : P21 3
23.7EcdemitePb6Cl4(As2O7)Tet.
23.8HeliophyllitePb6Cl4(As2O7)Orth.
23.9FinnemanitePb5(AsO3)3ClHex. 6/m : P63/m
23.10GebharditePb8(As2O5)2OCl6Mon.
23.11Zimbabweite(Na,K)2PbAs4(Ta,Nb,Ti)4O18Orth.
23.13RouseitePb2Mn2+[AsO3]2 · 2H2OTric.
23.14FreediteCu+Pb8(AsO3)2O3Cl5Mon. 2/m : B2/m
23.15ManganarsiteMn3(As2O4)(OH)4
23.17ArmangiteMn2+26(AsO3)14(HAsO3)4(CO3)Trig. 3 : P3
23.18KaribibiteFe3+3(As3+O2)4(As3+2O5)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
23.19SchneiderhöhniteFe2+Fe3+3[As5O13]Tric. 1 : P1
23.20Lazarenkoite(Ca,Fe2+)Fe3+As3+3O7 · 3H2OOrth.
23.21StenhuggariteCaFeSb(AsO3)2OTet.
23.22Tomichite(V,Fe)4Ti3AsO13(OH)Mon.

Fluorescence of PaulmooreiteHide

Not fluorescent in UV

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.

References for PaulmooreiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Dunn, Pete J., Peacor, Donald R., and Sturman, B. Daerko (1979): Paulmooreite, a new lead arsenite from Långban, Sweden. American Mineralogist 64, 352-354.
Araki, Takaharu, Moore, Paul B., and Brunton, G. D. (1980): The Crystal Structure of paulmooreite, Pb2[As2O5]: Dimeric arsenite Groups. American Mineralogist 65, 340-345.

Internet Links for PaulmooreiteHide

Localities for PaulmooreiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
Schnorrer-Köhler, G., Standfuss, K. & Standfuss, L. (1985): Neue Schlackenmineralien von Lavrion. Lapis, 10 (5), 13-16; 50.
        • Passa Limani area
Gelaude, Piet, van Kalmthout, Piet, and Rewitzer, Christian (1996) Laurion: The Minerals of the Ancient Slags, Janssen Print, Nijmegen, The Netherlands
Sweden (TL)
 
  • Värmland
    • Filipstad
Araki, T. , Moore, P.B. and Brunton, G.D. (1980). "The crystal structure of paulmooreite Pb2(As2O5): dimeric arsenite groups." American Mineralogist, 65(3/4), 340-345; Am. Min. (1979) 64, 352-354; Rocks & Min.: 63:228; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
Mineral and/or Locality  
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