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Stanleyite

This page kindly sponsored by Mineralogical Society of Arizona
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About StanleyiteHide

Sir Henry Morton Stanley, GCB, born John Rowlands
Formula:
(V4+O)(SO4) · 6H2O
Colour:
Light blue to greenish blue
Hardness:
1 - 1½
Specific Gravity:
1.95
Crystal System:
Orthorhombic
Name:
Named after Sir Henry Morton Stanley (John Rowlands) (1841-1904), Welsh-American journalist who, on assignment from the New York Herald, found David Livingstone in Africa in 1871.
This page provides mineralogical data about Stanleyite.


Classification of StanleyiteHide

Approved
Approval Year:
1980
7.DE.50

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
E : With only medium-sized cations; unclassified
29.6.13.1

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
25.8.6

25 : Sulphates
8 : Sulphates of Sb, V, Cr and U

Physical Properties of StanleyiteHide

Transparency:
Transparent
Colour:
Light blue to greenish blue
Streak:
white
Hardness:
1 - 1½ on Mohs scale
Density:
1.95 g/cm3 (Measured)    2.01 g/cm3 (Calculated)

Optical Data of StanleyiteHide

Type:
Biaxial (+)
RI values:
nα = 1.505 nβ = 1.519 nγ = 1.533
2V:
Calculated: 88°
Max Birefringence:
δ = 0.028
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
relatively weak
Pleochroism:
Visible
Comments:
X=Y= blue
Z= very pale blue

Chemical Properties of StanleyiteHide

Formula:
(V4+O)(SO4) · 6H2O
IMA Formula:
V4+O(SO4) · 6H2O

Crystallography of StanleyiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 12.12 Å, b = 9.71 Å, c = 14.92 Å
Ratio:
a:b:c = 1.248 : 1 : 1.537
Unit Cell V:
1,755.86 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Minute plates
Comment:
May be orthorhombic, monoclinic or triclinic

Type Occurrence of StanleyiteHide

Place of Conservation of Type Material:
Smithsonian
Geological Setting of Type Material:
Vanadium ore

Synonyms of StanleyiteHide

Other Language Names for StanleyiteHide

German:Stanleyit
Spanish:Stanleyita

Common AssociatesHide

Alum-(K)KAl(SO4)2 · 12H2O
PatróniteVS4
PyriteFeS2
QuartzSiO2
Associated Minerals Based on Photo Data:
Patrónite2 photos of Stanleyite associated with Patrónite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.DE.05MangazeiteAl2(SO4)(OH)4 · 3H2OTric.
7.DE.10CarbonatecyanotrichiteCu4Al2(CO3,SO4)(OH)12 · 2H2OOrth.
7.DE.10CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2OOrth.
7.DE.10UKI-1975-(SO:AlCu)(Cu, Al, SO4, H2O)
7.DE.15SchwertmanniteFe3+16(OH,SO4)12-13O16 · 10-12H2OTet.
7.DE.20TlalociteCu10Zn6(Te6+O4)2(Te4+O3)(OH)25Cl · 27H2OOrth.
7.DE.25UtahiteCu5Zn3(TeO4)4(OH)8 · 7H2OTric.
7.DE.35CoquanditeSb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3)Tric. 1 : P1
7.DE.40OsakaiteZn4(SO4)(OH)6 · 5H2OTric. 1 : P1
7.DE.45WilcoxiteMgAl(SO4)2F · 17H2OTric. 1 : P1
7.DE.55McalpineiteCu3(Te6+O6)Iso. m3 (2/m 3) : Ia3
7.DE.60HydrobasaluminiteAl4(SO4)(OH)10 · 12-36H2OMon.
7.DE.62VolaschioiteFe4(SO4)O2(OH)6 · 2H2OMon. 2/m : B2/m
7.DE.65ZaheriteAl12(SO4)5(OH)26 · 20H2OTric.
7.DE.70LautenthalitePbCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DE.75CamérolaiteCu6Al3(OH)18(H2O)2[Sb(OH)6](SO4)Tric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.8.1KlebelsbergiteSb4O4(SO4)(OH)2Orth. mm2
25.8.2CoquanditeSb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3)Tric. 1 : P1
25.8.3PeretaiteCa(SbO)4(SO4)2(OH)2 · 2H2OMon. 2/m : B2/b
25.8.4CannoniteBi2(SO4)O(OH)2Mon. 2/m : P21/b
25.8.5Minasragrite(V4+O)(SO4) · 5H2OMon. 2/m
25.8.7Redingtonite(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2OMon.
25.8.8Metauranopilite(UO2)6(SO4)(OH)10 · 5H2O
25.8.9Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2OMon.
25.8.10NatrozippeiteNa5(UO2)8(SO4)4O5(OH)3 · 12H2OMon. 2/m : P21/m
25.8.11ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2OMon. 2 : B2
25.8.12JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2OTric. 1
25.8.13MagnesiozippeiteMg(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m
25.8.14ZinczippeiteZn(UO2)2(SO4)O2 · 3.5H2OMon. 2/m : B2/m

Other InformationHide

Notes:
Easily soluble in water.
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 StanleyiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Livingstone, A. (1982): Stanleyite, a new vanadium sulfate mineral from Peru. Mineralogical Magazine 45, 163-166. [Abs. in American Mineralogist (1983): 68: 644-645]
Acta Crystallographica: B36: 2873-2880.

Internet Links for StanleyiteHide

Localities for StanleyiteHide

ⓘ - 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.
Peru (TL)
 
  • Pasco Department
    • Pasco Province
      • Huayllay District
Livingstone, A. (1982): Stanleyite, a new vanadium sulfate mineral from Peru. Mineralogical Magazine 45, 163-166.
Russia
 
  • Kamchatka Oblast
Bortnikova, S. B., Bessonova, E. P., Gavrilenko, G. M., Vernikovskaya, I. V., Bortnikova, S. P., & Palchik, N. A. (2008). HYDROGEOCHEMISTRY OF THERMAL SOURCES, MUTNOVSKY VOLCANO, SOUTH KAMCHATKA (RUSSIA). In Proceedings of the 33rd workshop on geothermal reservoir engineering, Stanford University, Stanford, SGP-TR-185.
Mineral and/or Locality  
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