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Pseudograndreefite

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Pseudograndreefite, etc.

Grand Reef Mine, Laurel Canyon, Grand Reef Mountain, Klondyke, Santa Teresa Mts, Aravaipa District, Graham Co., Arizona, USA
Pseudograndreefite, etc.

Grand Reef Mine, Laurel Canyon, Grand Reef Mountain, Klondyke, Santa Teresa Mts, Aravaipa District, Graham Co., Arizona, USA
Pseudograndreefite, etc.

Grand Reef Mine, Laurel Canyon, Grand Reef Mountain, Klondyke, Santa Teresa Mts, Aravaipa District, Graham Co., Arizona, USA
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About PseudograndreefiteHide

A rare secondary lead sulphate fluoride.
Soluble in water.


Classification of PseudograndreefiteHide

IMA status:
Approved
Approval Year:
1988
Strunz 8th ed.:
6/B.13-40
Nickel-Strunz 10th (pending) ed.:
7.BD.65

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
D : With only large cations
Dana 8th ed.:
12.1.3.1

12 : COMPOUND HALIDES
1 : Miscellaneous
Hey's CIM Ref.:
26.23

26 : Sulphates with Halide

Physical Properties of PseudograndreefiteHide

Lustre:
Sub-Adamantine
Colour:
Colourless
Hardness:
2½ on Mohs scale
Tenacity:
Brittle

Optical Data of PseudograndreefiteHide

Type:
Biaxial (+)
RI values:
nα = 1.864 nβ = 1.865 nγ = 1.873
2V:
Measured: 30° , Calculated: 40°
Max Birefringence:
δ = 0.009
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v

Chemical Properties of PseudograndreefiteHide

Formula:
Pb6(SO4)F10
Elements listed:
F, O, Pb, S - search for minerals with similar chemistry

Crystallography of PseudograndreefiteHide

Crystal System:
Orthorhombic
Class (H-M):
2 2 2 - Disphenoidal
Space Group:
F2 2 2
Setting:
F2 2 2
Cell Parameters:
a = 8.51 Å, b = 19.57 Å, c = 8.49 Å
Ratio:
a:b:c = 0.435 : 1 : 0.434
Unit Cell V:
1,413.93 ų (Calculated from Unit Cell)
Z:
4

Type Occurrence of PseudograndreefiteHide

Synonyms of PseudograndreefiteHide

Other Language Names for PseudograndreefiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Grandreefite1 photo of Pseudograndreefite associated with Grandreefite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.BD.05SulphohaliteNa6(SO4)2FClIso. m3m (4/m 3 2/m)
7.BD.05SulfohaliteNa6(SO4)2FCl
7.BD.10GaleiteNa15(SO4)5F4ClTrig.
7.BD.10SchaireriteNa21(SO4)7ClF6Trig. 3m (3 2/m)
7.BD.15KogarkoiteNa3(SO4)FMon.
7.BD.20CaracoliteNa3Pb2(SO4)3ClMon.
7.BD.20CesaniteNa3Ca2(SO4)3(OH)Hex.
7.BD.20AiolositeNa4Bi(SO4)3ClHex. 6/m : P63/m
7.BD.25BurkeiteNa6(CO3)(SO4)2Orth.
7.BD.30HanksiteNa22K(SO4)9(CO3)2ClHex. 6/m : P63/m
7.BD.35CannoniteBi2(SO4)O(OH)2Mon. 2/m : P21/b
7.BD.40LanarkitePb2(SO4)OMon. 2/m : B2/m
7.BD.45GrandreefitePb2(SO4)F2Mon. 2/m
7.BD.50ItoitePb3Ge4+(SO4)2O2(OH)2Orth. mmm (2/m 2/m 2/m) : Pnma
7.BD.55ChiluiteBi3Te6+Mo6+O10.5Hex.
7.BD.60HectorfloresiteNa9(SO4)4(IO3)Mon. 2/m : P21/b
7.BD.70SundiusitePb10(SO4)O8Cl2Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

26.1KogarkoiteNa3(SO4)FMon.
26.2SulphohaliteNa6(SO4)2FClIso. m3m (4/m 3 2/m)
26.3SchaireriteNa21(SO4)7ClF6Trig. 3m (3 2/m)
26.4GaleiteNa15(SO4)5F4ClTrig.
26.5ConnelliteCu19(SO4)(OH)32Cl4 · 3H2OHex. 6 m2 : P62c
26.6ChlorothioniteK2Cu(SO4)Cl2Orth. mmm (2/m 2/m 2/m) : Pnma
26.7KamchatkiteKCu3(SO4)2OClOrth. mmm (2/m 2/m 2/m) : Pnma
26.8SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P3 1c
26.9AubertiteCuAl(SO4)2Cl · 14H2OTric. 1
26.10Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
26.11Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2OTric.
26.12D'AnsiteNa21Mg(SO4)10Cl3Iso.
26.13AnhydrokainiteKMg(SO4)Cl
26.14KainiteKMg(SO4)Cl · 3H2OMon. 2/m : B2/m
26.15Mosesite(Hg2N)(Cl,SO4,MoO4) · H2OIso.
26.16Kleinite(Hg2N)(Cl,SO4) · nH2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
26.17WilcoxiteMgAl(SO4)2F · 17H2OTric. 1 : P1
26.18CreediteCa3SO4Al2F8(OH)2 · 2H2OMon. 2/m : B2/b
26.19LannoniteMg2Ca4Al4(SO4)8F8 · 24H2O Tet. 4/m : I4/m
26.20Chukhrovite-(Y)Ca3(Y,Ce)[F|SO4|(AlF6)2] · 10H2OIso.
26.21Chukhrovite-(Ce)Ca3(Ce,Y)[F|SO4|(AlF6)2] · 10H2OIso.
26.22GrandreefitePb2(SO4)F2Mon. 2/m
26.24SundiusitePb10(SO4)O8Cl2Mon.
26.25CaracoliteNa3Pb2(SO4)3ClMon.
26.26MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2Mon. 2 : B2
26.27AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3ClTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
26.28XitieshaniteFe3+(SO4)Cl · 6H2OMon.
26.29NabokoiteKCu7(SO4)5(Te4+O3)OClTet.

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 PseudograndreefiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kampf, A.R., et al (1989), Grandreefite, pseudograndreefite, laurelite, and aravaipaite: Four new minerals from the Grandreef mine, Graham Co., AZ, American Mineralogist: 74: 927-933.

Internet Links for PseudograndreefiteHide

Localities for PseudograndreefiteHide

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.
USA (TL)
 
  • Arizona
    • Graham Co.
      • Aravaipa District
        • Santa Teresa Mts
          • Klondyke
            • Grand Reef Mountain
              • Laurel Canyon
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 118, 336; Kampf, A.R., et al (1989), Grandreefite, pseudograndreefite, laurelite, and aravaipaite: Four new minerals from the Grandreef mine, Graham Co., AZ, Am.Min.: 74: 927-933; Min.Rec.: 27: 296.
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