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Boothite

A valid IMA mineral species
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After Edward Booth (July 1857 – 24 August 1917, California, USA) chemist at the University of California. He directed Waldemar Schaller, who described the mineral, to the sulfate occurrence where boothite was discovered.
Type Locality:
ⓘAlma Mine, Leona Heights deposit, Leona Heights, Oakland, Oakland Hills (San Leandro Hills), Alameda County, California, USA
Melanterite Group.

This mineral, fully hydrated copper sulphate, is very rare. The partially hydrated copper sulphate mineral,chalcanthite, is much more common.


Unique Identifiers
IMA Formula:
Cu(SO4) · 7H2O
First published:
1903
Type description reference:
Schaller, Waldemar Theodore (1903) Minerals from Leona Heights, Alameda County, California. University of California, Department of Geological Sciences Bulletin: 3: 191-217.

Classification of Boothite

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
Dana 8th ed.:
29.6.10.2

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
Hey's CIM Ref.:
25.2.4

25 : Sulphates
2 : Sulphates of Cu and Ag

Mineral Symbols
Transparency:
Transparent, Translucent
Comment:
Silky or pearly luster on fibrous material.
Colour:
Light blue; light blue in transmitted light
Hardness:
2 - 2½ onMohs scale
Tenacity:
Brittle
Cleavage:
Imperfect/Fair
On {001} imperfect.
Fracture:
Irregular/Uneven
Density:
1.94 g/cm3 (Measured)    
Comment:
Value approximate.

Optical Data of Boothite
Surface Relief:
Moderate
Dispersion:
relatively weak
Optical Extinction:
Y = b; X ≃ c.
Comments:
2V(meas.) = Large

Chemistry of Boothite

Crystallography of Boothite
General Appearance of Type Material:
Fibrous or crystalline massive.
Place of Conservation of Type Material:
n.d.
Geological Setting of Type Material:
Zone of oxidation.
Associated Minerals at Type Locality:
ChalcanthiteCopper-bearing MelanteriteMelanterite
Reference:
Schaller, Waldemar Theodore (1903) Minerals from Leona Heights, Alameda County, California. University of California, Department of Geological Sciences Bulletin: 3: 191-217.

Synonyms of Boothite

Other Language Names for Boothite

Varieties of BoothiteMagnesium-bearing BoothiteA Mg-bearing variety of boothite.

Relationship of Boothite to other Species
Other Members of Melanterite Group:
Alpersite(Mg,Cu)(SO4) · 7H2OMon. 2/m :P21/b
BieberiteCoSO4 · 7H2OMon. 2/m :P2/m
MallarditeMnSO4 · 7H2OMon. 2/m :P2/m
MelanteriteFe2+(H2O)6SO4 · H2OMon. 2/m :P21/b
Zincmelanterite(Zn,Cu,Fe)SO4 · 7H2OMon. 2/m :P21/b

Common AssociatesMon. 2/m :P21/m7.CB.02VoudourisiteCdSO4 · H2OMon. 2/m :P21/m7.CB.05SzmikiteMnSO4 · H2OMon. 2/m :B2/b7.CB.05SzomolnokiteFeSO4 · H2OMon. 2/m :B2/b7.CB.05CobaltkieseriteCoSO4 · H2OMon. 2/m :B2/b7.CB.05DwornikiteNi(SO4) · H2OMon. 2/m :B2/b7.CB.05KieseriteMgSO4 · H2OMon. 2/m :B2/b7.CB.05Poitevinite(Cu,Fe)SO4 · H2OTric.1 :P17.CB.05GunningiteZnSO4 · H2OMon. 2/m :B2/b7.CB.07SanderiteMgSO4 · 2H2OOrth. 222 :P2121217.CB.10BonattiteCuSO4 · 3H2OMon.m :Bb7.CB.12BelogubiteCuZn(SO4)2 · 10H2OTric.1 :P17.CB.15DrobeciteCdSO4 · 4H2OMon. 2/m :P21/m7.CB.15Aplowite(Co,Mn,Ni)SO4 · 4H2OMon. 2/m7.CB.15CranswickiteMgSO4 · 4H2OMon.m :Bb7.CB.15RozeniteFeSO4 · 4H2OMon. 2/m :P21/b7.CB.15StarkeyiteMgSO4 · 4H2OMon. 2/m :P21/b7.CB.15IlesiteMn2+(SO4) · 4H2OMon. 2/m7.CB.15BoyleiteZnSO4 · 4H2OMon. 2/m :P21/b7.CB.20SiderotilFeSO4 · 5H2OTric.7.CB.20JôkokuiteMnSO4 · 5H2OTric.1 :P17.CB.20PentahydriteMgSO4 · 5H2OTric.1 :P17.CB.20ChalcanthiteCuSO4 · 5H2OTric.1 :P17.CB.25ChvaleticeiteMn(SO4) · 6H2OMon. 2/m :B2/b7.CB.25NickelhexahydriteNi(SO4) · 6H2OMon. 2/m :B2/b7.CB.25HexahydriteMgSO4 · 6H2OMon. 2/m :P2/m7.CB.25BianchiteZn(SO4) · 6H2OMon. 2/m :P2/m7.CB.25MoorhouseiteCo(SO4) · 6H2OMon. 2/m :B2/b7.CB.25FerrohexahydriteFeSO4 · 6H2OMon. 2/m :B2/b7.CB.30RetgersiteNiSO4 · 6H2OTet. 422 :P412127.CB.35Zincmelanterite(Zn,Cu,Fe)SO4 · 7H2OMon. 2/m :P21/b7.CB.35MelanteriteFe2+(H2O)6SO4 · H2OMon. 2/m :P21/b7.CB.35Alpersite(Mg,Cu)(SO4) · 7H2OMon. 2/m :P21/b7.CB.35BieberiteCoSO4 · 7H2OMon. 2/m :P2/m7.CB.35MallarditeMnSO4 · 7H2OMon. 2/m :P2/m7.CB.40EpsomiteMgSO4 · 7H2OOrth. 222 :P2121217.CB.40GoslariteZnSO4 · 7H2OOrth. 222 :P2121217.CB.40MorenositeNiSO4 · 7H2OOrth. 222 :P2121217.CB.45Meta-alunogenAl2(SO4)3 · 12H2OOrth.7.CB.45AlunogenAl2(SO4)3 · 17H2OTric.1 :P17.CB.50AluminocoquimbiteAl2Fe2(SO4)6(H2O)12 · 6H2OTrig.3m(32/m) :P31c7.CB.50Lazaridisite3CdSO4 · 8H2OMon. 2/m :B2/b7.CB.52PararaisaiteCuMg[Te6+O4(OH)2] · 6H2OMon. 2/m :P21/b7.CB.55ParacoquimbiteFe4(SO4)6(H2O)12 · 6H2OTrig.3 :R37.CB.55Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2OOrth.mmm(2/m2/m2/m) :Pnma7.CB.55RaisaiteCuMg[Te6+O4(OH)2] · 6H2OMon. 2/m :B2/b7.CB.55CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2OTrig.3m(32/m) :P31c7.CB.57CaichengyuniteFe2+3Al2(SO4)6 · 30H2OMon.7.CB.60KorneliteFe2(SO4)3 · 7H2OMon. 2/m :P21/m7.CB.65QuenstedtiteFe2(SO4)3 · 11H2OTric.1 :P17.CB.70LauseniteFe2(SO4)3 · 5H2OMon. 2/m :P21/m7.CB.75RömeriteFe2+Fe3+2(SO4)4 · 14H2OTric.1 :P17.CB.75LishizheniteZnFe2(SO4)4 · 14H2OTric.1 :P17.CB.80RansomiteCuFe2(SO4)4 · 6H2OMon. 2/m :P21/b7.CB.85Dietrichite(Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2OMon. 2/m :P21/b7.CB.85HalotrichiteFeAl2(SO4)4 · 22H2OMon. 2 :P27.CB.85ApjohniteMn2+Al2(SO4)4 · 22H2OMon. 2/m :P21/b7.CB.85Redingtonite(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4 · 22H2OMon. 27.CB.85PickeringiteMgAl2(SO4)4 · 22H2OMon. 2/m :P21/b7.CB.85BíliniteFe2+Fe3+2(SO4)4 · 22H2OMon. 2/m :P21/b7.CB.85Wupatkiite(Co,Mg,Ni)Al2(SO4)4 · 22H2OMon. 2/m :P21/b7.CB.90MeridianiiteMgSO4 · 11H2OTric.1 :P1

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    • References for BoothiteⓘLloyd copper mineLeverett et al. (2004)+1 other referenceRalph Bottrill et al in prep.+1 other referenceBottrill et al. (2008)
    Chile
     
    Hey+1 other reference
    France
     
    Coueille (1988)Palache et al. (1951)+1 other reference
    Greece
     
    Rieck et al. (2022)
    Italy
     
    Scacchi (1872)+2 other referencesScacchi (1872)+1 other referenceExel (1987)
    Norway
     
    Garmo (1974)+2 other referencesEllingsen (1989)+1 other reference
    Russia
     
    maurice.strahlen.org (n.d.)
    USA
     
    Grant et al. (2005)Jones (1980)+1 other referenceBrian Beck CollectedSchaller (1903)+5 other referencesCommittee et al. (1989)Palache et al. (1951)Schaller (1904)+6 other referencesMurdoch (1966)Mineralogical Society of America - ...Castor et al. (2004)Lavinsky (n.d.)Finnell et al. (1963)Finnell et al. (1963)+1 other reference
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