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Krauskopfite

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08010910014953082852964.jpg
Krauskopfite

Esquire No. 1 claim, Rush Creek, Rush Creek deposit, Big Creek-Rush Creek Mining District, Fresno Co., California, USA
03350330014950419791970.jpg
Krauskopfite

Esquire No. 1 claim, Rush Creek, Rush Creek deposit, Big Creek-Rush Creek Mining District, Fresno Co., California, USA
00605570014977274259786.jpg
Krauskopfite

Esquire No. 1 claim, Rush Creek, Rush Creek deposit, Big Creek-Rush Creek Mining District, Fresno Co., California, USA
00919530014950419693661.jpg
Krauskopfite

Esquire No. 1 claim, Rush Creek, Rush Creek deposit, Big Creek-Rush Creek Mining District, Fresno Co., California, USA
03350330014950419791970.jpg
Krauskopfite

Esquire No. 1 claim, Rush Creek, Rush Creek deposit, Big Creek-Rush Creek Mining District, Fresno Co., California, USA
08612320014962537723043.jpg
Krauskopfite

Esquire No. 1 claim, Rush Creek, Rush Creek deposit, Big Creek-Rush Creek Mining District, Fresno Co., California, USA
08010910014953082852964.jpg
Krauskopfite

Esquire No. 1 claim, Rush Creek, Rush Creek deposit, Big Creek-Rush Creek Mining District, Fresno Co., California, USA
03350330014950419791970.jpg
Krauskopfite

Esquire No. 1 claim, Rush Creek, Rush Creek deposit, Big Creek-Rush Creek Mining District, Fresno Co., California, USA
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About KrauskopfiteHide

00002960014952997882199.jpg
Konrad B. Krauskopf
Formula:
BaSi2O5 · 3H2O
Colour:
Colourless
Lustre:
Sub-Vitreous
Hardness:
4
Crystal System:
Monoclinic
Name:
Named in honour of Konrad Bates Krauskopf (November 30, 1910 – May 4, 2003), professor of geochemistry at Stanford University and noted for his work in radioactive waste disposal.
This page provides mineralogical data about Krauskopfite.


Classification of KrauskopfiteHide

IMA status:
Approved
Strunz 8th ed.:
8/F.25-40
Nickel-Strunz 10th (pending) ed.:
9.DH.30

9 : SILICATES (Germanates)
D : Inosilicates
H : Inosilicates with 4-periodic single chains, Si4O12
Dana 8th ed.:
74.3.4.2

74 : PHYLLOSILICATES Modulated Layers
3 : Modulated Layers with joined strips
Hey's CIM Ref.:
14.7.2

14 : Silicates not Containing Aluminum
7 : Silicates of Ba, Sr and Zn

Physical Properties of KrauskopfiteHide

Lustre:
Sub-Vitreous
Colour:
Colourless
Hardness:
4 on Mohs scale

Optical Data of KrauskopfiteHide

Type:
Biaxial (-)
RI values:
nα = 1.574 nβ = 1.587 nγ = 1.599
2V:
Measured: 88° , Calculated: 86°
Max Birefringence:
δ = 0.025
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively weak

Chemical Properties of KrauskopfiteHide

Formula:
BaSi2O5 · 3H2O
Elements listed:
Ba, H, O, Si - search for minerals with similar chemistry
Common Impurities:
Ti,Al,Fe,Mn,Mg,Ca,Sr,K

Crystallography of KrauskopfiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 8.46 Å, b = 10.62 Å, c = 7.83 Å
β = 94.53°
Ratio:
a:b:c = 0.797 : 1 : 0.737
Unit Cell V:
701.29 ų (Calculated from Unit Cell)

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0012050KrauskopfiteCoda A, dal Negro A, Rossi G (1967) The crystal structure of krauskopfite Atti della Accademia Nazionale dei Lincei 42 859-8731967Rush Creek locality, Fresno County, California0293
CIF Raw Data - click here to close

Type Occurrence of KrauskopfiteHide

Synonyms of KrauskopfiteHide

Other Language Names for KrauskopfiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
4 photos of Krauskopfite associated with Aurichalcite(Zn,Cu)5(CO3)2(OH)6
2 photos of Krauskopfite associated with Rosasite(Cu,Zn)2(CO3)(OH)2
2 photos of Krauskopfite associated with Limonite

Related Minerals - Nickel-Strunz GroupingHide

9.DH.BavsiiteBa2V2O2[Si4O12]Tet. 4/m : I4/m
9.DH.05LeucophaniteNaCaBeSi2O6FOrth. 2 2 2 : P21 21 21
9.DH.10OhmiliteSr3(Ti,Fe3+)(Si4O12)(O,OH) · 2-3H2OMon.
9.DH.15HaradaiteSrVSi2O7Orth.
9.DH.15SuzukiiteBaVSi2O7Orth.
9.DH.20BatisiteBaNaNaTi2(Si4O12)O2Orth.
9.DH.20Shcherbakovite(K,Ba)KNa(Ti,Nb)2(Si4O12)O2Orth.
9.DH.25TaikaniteSr3BaMn2+2(Si4O12)O2Mon.
9.DH.35Balangeroite(Mg,Fe2+,Fe3+,Mn2+)42Si16O54(OH)40Mon.
9.DH.35GageiteMn21(Si4O12)2O3(OH)20Mon. 2/m
9.DH.40AenigmatiteNa4[Fe2+10Ti2]O4[Si12O36]Tric. 1 : P1
9.DH.40DorriteCa4(Mg3Fe3+9)O4(Si3Al8Fe3+O36)Tric.
9.DH.40HøgtuvaiteCa4[Fe2+6Fe3+6]O4[Si8Be2Al2O36]Tric. 1 : P1
9.DH.40KrinoviteNa2Mg4Cr3+2(Si6O18)O2Tric.
9.DH.40Makarochkinite(Ca,Na)4[Fe2+8Fe3+2Ti2]O4[Si8Be2Al2O36]Tric. 1 : P1
9.DH.40RhöniteCa4[Mg8Fe3+2Ti2]O4[Si6Al6O36]Tric. 1 : P1
9.DH.40SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]Tric. 1 : P1
9.DH.40WelshiteCa4Mg9Sb3O4[Si6Be3AlFe2O36]Tric. 1 : P1
9.DH.40WilkinsoniteNa2Fe2+4Fe3+2(Si6O18)O2Tric. 1 : P1
9.DH.45SapphirineMg4(Mg3Al9)O4[Si3Al9O36]Mon. 2/m : P21/b
9.DH.50Khmaralite(Mg,Al,Fe)16[(Al,Si,Be)12O36]O4Mon. 2/m : P21/b
9.DH.55Surinamite(Mg,Fe)3Al4BeSi3O16Mon.
9.DH.60Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5Mon.
9.DH.65HowieiteNa(Fe,Mn)10(Fe,Al)2Si12O31(OH)13Tric.
9.DH.65Taneyamalite(Na,Ca)(Mn,Mg,Fe)12Si12(O,OH)44Tric.
9.DH.70JohninnesiteNa2Mn2+9Mg7(OH)8[AsO4]2[Si6O17]2Tric.
9.DH.75AgrelliteNaCa2Si4O10FTric.

Related Minerals - Dana Grouping (8th Ed.)Hide

74.3.4.1SanborniteBa2(Si4O10)Orth.
74.3.4.4Hogarthite(Na,K)2CaTi2Si10O26 · 8H2OMon. 2/m : B2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.7.1SanborniteBa2(Si4O10)Orth.
14.7.3WalstromiteBaCa2(Si3O9)Tric.
14.7.4MacdonalditeBaCa4Si16O36(OH)2 · 10H2OOrth.
14.7.5EricssoniteBaMn2+2Fe3+(Si2O7)O(OH)Mon. 2/m : B2/m
14.7.6Ericssonite-2OBaMn2+2Fe3+(Si2O7)O(OH)Orth.
14.7.7GillespiteBaFe2+Si4O10Tet.
14.7.8AndrémeyeriteBaFe2+2(Si2O7)Mon.
14.7.9PellyiteBa2Ca(Fe,Mg)2Si6O17Orth.
14.7.10TaikaniteSr3BaMn2+2(Si4O12)O2Mon.
14.7.11WillemiteZn2SiO4Trig. 3 : R3
14.7.12HemimorphiteZn4Si2O7(OH)2 · H2OOrth. mm2 : Imm2
14.7.13ZincsiliteZn3Si4O10(OH)2 · 4H2O (?)Mon.
14.7.14HardystoniteCa2Zn(Si2O7)Tet. 4 2m : P4 21m
14.7.15PetedunniteCa(Zn,Mn2+,Mg,Fe2+)Si2O6Mon.
14.7.16ClinohedriteCaZn(SiO4) · H2OMon. m : Bb
14.7.17JunitoiteCaZn2Si2O7 · H2OOrth. mm2
14.7.18LarsenitePbZnSiO4Orth. mm2 : Pna21
14.7.19EsperitePbCa2Zn3(SiO4)3Mon. 2/m : P21/b
14.7.20HodgkinsoniteMn2+Zn2(SiO4)(OH)2Mon.
14.7.21GerstmanniteMnMgZn(SiO4)(OH)2Orth.
14.7.22GageiteMn21(Si4O12)2O3(OH)20Mon. 2/m
14.7.23FranklinfurnaceiteCa2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8Mon. 2 : B2

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 KrauskopfiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1965): 50: 314-340.
American Mineralogist (1984): 69: 358.

Internet Links for KrauskopfiteHide

Localities for KrauskopfiteHide

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.
Czech Republic
 
  • Moravian-Silesian Region
    • Bruntál District
      • Horní Benešov
Fojt B.: Ba-minerály železnorudné mineralizace na stratiformním sulfidickém ložisku Horní Benešov v Nízkém Jeseníku. Minerál, 2013, roč. 21, č. 4, s. 311-312.; Mücke A., Dolníček Z., Fojt B., Hladíková J., Pudilová M., Reif J., Škoda R.: The Horní Benešov ore deposit in the Devonian Šternberk-Horní Benešov Belt, Jeseníky Mts, Czech Republic. Part II: Fe-ore occurrences. – Čas. Slez. Muz. Opava (A), 2013, 62, 215-254.
Iran
 
  • Isfahan Province
    • Isfahan County
      • Esfahan (Isfahan)
Dr. H. J. Wilke and Sohne (Eppertshausen) specimen.
Japan
 
  • Ehime Prefecture
    • Iyo district
      • Tobe-cho
Hirowatari & Fukuoka (1981) Koubutsu-Gakkai Kou'en-Youshi, 113.
USA
 
  • California
    • Fresno Co.
      • Big Creek-Rush Creek Mining District
Alfors, J.T., M.C. Stinson, R.A. Matthews & A. Pabst (1965), Seven new barium minerals from eastern Fresno County, California: American Mineralogist: 50: 318, 322-324; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 464.
          • Rush Creek
Alfors, J.T., M.C. Stinson, R.A. Matthews & A. Pabst (1965), Seven new barium minerals from eastern Fresno County, California: American Mineralogist: 50: 318, 322-324; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 464; Nickel & Nichols (1991).
Robert E. Walstrom Collection
    • Mariposa Co.
      • East Belt
        • Clearing House Mining District
          • Clearing House
            • Trumbull Peak
    • Tulare Co.
      • Dumtah
American Mineralogist, Volume 69, pages 358-373, 1984; Mineralogical Record: 34(2): 159-166
Robert E. Walstrom Collection
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