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Lawsonbauerite

A valid IMA mineral species
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08674890017057615622889.jpg
Lawsonbauerite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
08217120014961056244341.jpg
Lawsonbauerite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
08908640014952203535149.jpg
Lawsonbauerite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
08674890017057615622889.jpg
Lawsonbauerite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
08217120014961056244341.jpg
Lawsonbauerite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
01885850014975202303846.jpg
Lawsonbauerite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
08674890017057615622889.jpg
Lawsonbauerite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
08217120014961056244341.jpg
Lawsonbauerite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
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About LawsonbaueriteHide

07913760014947175693440.jpg
Lawson H. Bauer
Formula:
(Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2O
Colour:
colourless to white; grayish tan
Lustre:
Resinous, Greasy, Dull
Hardness:
4½
Specific Gravity:
2.87
Crystal System:
Monoclinic
Name:
Named in 1979 by Pete J. Dunn, Donald Ralph Peacor, and Bozidar Darko Sturman in honor of Lawson Henry Bauer [August 18, 1888 Mertztown, Pennsylvania, USA - January 29, 1954 Franklin, New Jersey, USA], former Head Chemist of the New Jersey Zinc Co. laboratory, Franklin, NJ, and specialist in Franklin minerals. He graduated Phi Beta Kappa from Lafayette College and was a Fellow in the Mineralogical Society of America. He served as a member of the Franklin Board of Education and President of the Franklin Board of Health. He co-authored 18 mineralogical papers including the description of 9 new species: cahnite, calcium larsenite (renamed esperite), ferroschallerite (renamed nelenite), larsenite, loseyite, manganpyrosmalite, mcgovernite, mooreite, and yeatmanite.
Isostructural with:
Shigaite, Torreyite
The manganese analogue of Torreyite.


Unique IdentifiersHide

Mindat ID:
2352
Long-form identifier:
mindat:1:1:2352:4
GUID
(UUID V4):
d27fd927-c919-4c5b-b217-c36faa6f8f1d

IMA Classification of LawsonbaueriteHide

Classification of LawsonbaueriteHide

Strunz-mindat (2024):
7.DD.40

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra
Dana 8th ed.:
31.1.4.2

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq·xH2O, where m:p > 6:1
Hey's CIM Ref.:
25.9.12

25 : Sulphates
9 : Sulphates of Mn

Mineral SymbolsHide

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

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

Physical Properties of LawsonbaueriteHide

Lustre:
Resinous, Greasy, Dull
Transparency:
Transparent, Translucent
Colour:
colourless to white; grayish tan
Streak:
White
Hardness:
4½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
2.87 g/cm3 (Measured)    2.92 g/cm3 (Calculated)

Optical Data of LawsonbaueriteHide

Type:
Biaxial (-)
RI values:
nα = 1.590 nβ = 1.608 nγ = 1.611
2V:
Measured: 42° , Calculated: 44°
Birefringence:
0.021
Max Birefringence:
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v strong
Optical Extinction:
Y || b; Z^c = 7°
Pleochroism:
Non-pleochroic

Chemistry of LawsonbaueriteHide

Mindat Formula:
(Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2O
Elements listed:
H, Mg, Mn, O, S, Zn - search for minerals with similar chemistry

Crystallography of LawsonbaueriteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 10.54 Å, b = 9.62 Å, c = 16.46 Å
β = 95.21°
Ratio:
a:b:c = 1.096 : 1 : 1.711
Unit Cell V:
1,662.06 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Bladed to lath-like crystals

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0000882LawsonbaueriteTreiman A H, Peacor D R (1982) The crystal structure of lawsonbauerite, (Mn,Mg)9Zn4(SO4)2(OH)22.8H2O, and its relation to mooreite American Mineralogist 67 1029-103419820293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.5 Å(100)
8.2 Å(10)
6.24 Å(30)
5.24 Å(60)
4.77 Å(20)
4.61 Å(20)
4.19 Å(10)
3.90 Å(50)
3.77 Å(20)
Comments:
ICDD 33-873

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47b : [Sulfates and sulfites]

Type Occurrence of LawsonbaueriteHide

Type Locality:
ⓘ Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
Associated Minerals at Type Locality:
ZinciteSussexitePyrochroiteFrankliniteCalcite
Reference:
Dunn, P.J., Peacor, D.R., Sturman, B.D. (1979) Lawsonbauerite, a new mineral from the Sterling Hill mine, New Jersey, and new data for torreyite. American Mineralogist: 64: 949-952.
Download:
http://rruff.info/rruff_1.0/uploads/AM64_949.pdf

Synonyms of LawsonbaueriteHide

Other Language Names for LawsonbaueriteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
6 photos of Lawsonbauerite associated with FluoboriteMg3(BO3)(F,OH)3
4 photos of Lawsonbauerite associated with MooreiteMg9◻2Mn2Zn4(SO4)2(OH)26 · 8H2O
4 photos of Lawsonbauerite associated with PyrochroiteMn(OH)2
3 photos of Lawsonbauerite associated with SussexiteMn2+BO2(OH)
3 photos of Lawsonbauerite associated with Torreyite(Mg,Mn2+)7◻2Mn2+2Zn4(SO4)2(OH)22 · 8H2O
3 photos of Lawsonbauerite associated with HauckiteFe3+3(Mg,Mn2+)24Zn18(SO4)4(CO3)2(OH)81
3 photos of Lawsonbauerite associated with FluoriteCaF2

Related Minerals - Strunz-mindat GroupingHide

7.DD.AsagiiteNiCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.05FelsőbányaiteAl4(SO4)(OH)10 · 4H2OMon. 2 : P21
7.DD.07LlantenesiteCu6Al[SeO4](OH)12Cl · 3H2OTrig. 3m : P3 1c
7.DD.10LangiteCu4(SO4)(OH)6 · 2H2OMon. m
7.DD.10PosnjakiteCu4(SO4)(OH)6 · H2OMon. m : Pm
7.DD.10WroewolfeiteCu4(SO4)(OH)6 · 2H2OMon. m : Pm
7.DD.10GobeliniteCoCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/m
7.DD.10FehriteMgCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.15SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P3 1c
7.DD.15KobyasheviteCu5(SO4)2(OH)6 · 4H2OTric. 1 : P1
7.DD.15Unnamed (Dimorph of Devilline)CaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DD.20KtenasiteZnCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.25ChristeliteCu2Zn3(SO4)2(OH)6 · 4H2OTric. 1 : P1
7.DD.30CampigliaiteMn2+Cu4(SO4)2(OH)6 · 4H2OMon. 2 : B2
7.DD.30DevillineCaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DD.30OrthoserpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OOrth. mm2 : Pca21
7.DD.30SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OMon. 2/m : B2/b
7.DD.30NiedermayriteCdCu4(SO4)2(OH)6 · 4H2OMon. 2/m : P21/m
7.DD.30EdwardsiteCu3Cd2(SO4)2(OH)6 · 4H2O Mon. 2/m : P21/b
7.DD.35Carrboydite(Ni1-xAlx)(SO4)x/2(OH)2 · nH2OHex.
7.DD.35Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35Honessite(Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35Hydrohonessite(Ni1-xFe3+x)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35MotukoreaiteMg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : R3m
7.DD.35Mountkeithite[(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.
7.DD.35ShigaiteMn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig. 3 : R3
7.DD.35WermlanditeMg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : P3c1
7.DD.35WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2OTrig. 3m (3 2/m) : R3m
7.DD.35ZincaluminiteZn6Al6(SO4)2(OH)16 · 5H2O
7.DD.35Hydrowoodwardite(Cu1-xAlx)(OH)2[SO4]x/2 · nH2OTrig. 3m (3 2/m) : R3m
7.DD.35ZincowoodwarditeZn1-xAlx(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35NatroglaucoceriniteZn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OHex.
7.DD.35NikischeriteFe2+6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig. 3 : R3
7.DD.40IsseliteCu6(SO4)(OH)10 · 5H2OOrth. mm2 : Pmn21
7.DD.40Torreyite(Mg,Mn2+)7◻2Mn2+2Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.45MooreiteMg9◻2Mn2Zn4(SO4)2(OH)26 · 8H2OMon. 2/m : P2/b
7.DD.45Hodgesmithite(Cu,Zn)6Zn(SO4)2(OH)10 · 3H2OTrig. 3 : P3
7.DD.47LahnsteiniteZn4(SO4)(OH)6 · 3H2O Tric. 1 : P1
7.DD.50NamuwiteZn4(SO4)(OH)6 · 4H2OTrig. 3 : P3
7.DD.50Minohlite(Cu,Zn)7(SO4)2(OH)10 · 8H2OHex.
7.DD.52LauraniiteCu6Cd2(SO4)2(OH)12 · 5H2OMon. 2/m : P21/b
7.DD.55BechereriteZn7Cu(OH)13[(SiO(OH)3(SO4)]Trig. 3 : P3
7.DD.60Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2OMon. 2/m
7.DD.65VonbezingiteCa6Cu3(SO4)3(OH)12 · 2H2OMon. 2/m : P21/b
7.DD.70RedgilliteCu6(SO4)(OH)10 · H2OMon. 2/m : P21/b
7.DD.75ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2OMon. 2 : P21
7.DD.75NickelalumiteNiAl4(SO4)(OH)12(H2O)3Mon. 2/m
7.DD.75KyrgyzstaniteZnAl4(SO4)(OH)12 · 3H2OMon. 2/m
7.DD.80GuarinoiteZn6(SO4)(OH)10 · 5H2OHex.
7.DD.80Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2OTrig. 3
7.DD.80ThérèsemagnaniteNaCo4(SO4)(OH)6Cl · 6H2OTrig. 3 : P3
7.DD.80UM1992-30-SO:CCuHZn(Zn,Cu)7(SO4,CO3)2(OH)10 · 3H2OTrig. 3 : P3
7.DD.85MontetrisaiteCu6(SO4)(OH)10 · 2H2OOrth. mm2 : Cmc21

Fluorescence of LawsonbaueriteHide

In UV light:
Not fluorescent

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 LawsonbaueriteHide

References for LawsonbaueriteHide

Localities for LawsonbaueriteHide

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.
USA (TL)
 
  • New Jersey
    • Sussex County
      • Ogdensburg
        • Sterling Hill
Dunn et al. (1979) +1 other reference
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