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Huangite

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Formula:
Ca
 
0.5
Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
System:TrigonalHardness:3 - 4


Alunite Group.

Classification of Huangite

IMA status:Approved
Strunz 8th edition ID:6/B.11-43
Nickel-Strunz 10th (pending) edition ID:7.BC.10

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
C : With medium-sized and large cations
Dana 8th edition ID:30.2.4.8

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
2 : (AB)2(XO4)Zq
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Type Occurrence of Huangite

Type Locality:Retna vein, Tambo Mine, El Indio deposit, Elqui Province, Coquimbo Region, Chile
Year of Discovery:1992

Physical Properties of Huangite

Hardness (Mohs):3 - 4

Crystallography of Huangite

Crystal System:Trigonal

Chemical Properties of Huangite

Formula:
Ca
 
0.5
Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
Essential elements:Al, Ca, H, O, S
All elements listed in formula:Al, Ca, H, O, S

Relationship of Huangite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.BC.05D'Ansite
Na
 
21
Mg(SO
 
4
)
 
10
Cl
 
3
7.BC.10Alunite
KAl
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Ammonioalunite
(NH
 
4
)Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Ammoniojarosite
(NH
 
4
)Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Argentojarosite
AgFe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Beaverite-(Cu)
Pb(Fe
3+
 
,Cu)
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Dorallcharite
(Tl,K)Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Hydroniumjarosite
(H
 
3
O)Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Jarosite
KFe
3+
 
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Minamiite
(Na,Ca
 
0.5
,K)Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Natroalunite
(Na,K)Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Natrojarosite
NaFe
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Osarizawaite
Pb(Al,Cu)
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Plumbojarosite
Pb
 
0.5
Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Schlossmacherite
(H
 
3
O,Ca)Al
 
3
(SO
 
4
,AsO
 
4
)
 
2
(OH)
 
6
7.BC.10Walthierite
Ba
 
0.5
Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.15Ye'elimite
Ca
 
4
Al
 
6
(SO
 
4
)O
 
12
7.BC.20Atlasovite
K(BiO)Cu
 
6
Fe
3+
 
(SO
 
4
)
 
5
O
 
3
Cl
7.BC.20Nabokoite
KCu
 
7
(SO
 
4
)
 
5
(Te
4+
 
O
 
3
)OCl
7.BC.25Chlorothionite
K
 
2
Cu(SO
 
4
)Cl
 
2
7.BC.30Euchlorine
KNaCu
 
3
(SO
 
4
)
 
3
O
7.BC.30Fedotovite
K
 
2
Cu
 
3
(SO
 
4
)
 
3
O
7.BC.35Kamchatkite
KCu
 
3
(SO
 
4
)
 
2
OCl
7.BC.40Piypite
K
 
2
Cu
 
2
(SO
 
4
)
 
2
O
7.BC.45Klyuchevskite
K
 
3
Cu
 
3
(Fe
3+
 
,Al)(SO
 
4
)
 
4
O
 
2
7.BC.45Alumoklyuchevskite
K
 
3
Cu
 
3
(Al,Fe
3+
 
)(SO
 
4
)
 
4
O
 
2
7.BC.50Caledonite
Cu
 
2
Pb
 
5
(SO
 
4
)
 
3
(CO
 
3
)(OH)
 
6
7.BC.55Wherryite
Pb
 
7
Cu
 
2
(SO
 
4
)
 
4
(SiO
 
4
)
 
2
(OH)
 
2
7.BC.60Mammothite
Pb
 
6
Cu
 
4
AlSb(SO
 
4
)
 
2
(OH)
 
18
Cl
 
4
7.BC.65Linarite
PbCu(SO
 
4
)(OH)
 
2
7.BC.65Schmiederite
Pb
 
2
Cu
 
2
(Se
6+
 
O
 
4
)(Se
4+
 
O
 
3
)(OH)
 
4
7.BC.65Munakataite
Pb
 
2
Cu
 
2
(Se
4+
 
O
 
3
)(SO
 
4
)(OH)
 
4
7.BC.70Chenite
Pb
 
4
Cu(SO
 
4
)
 
2
(OH)
 
6
7.BC.75Krivovichevite
Pb
 
3
Al(SO
 
4
)(OH)
 
7
7.BC.80Anhydrokainite
KMg(SO
 
4
)Cl

Other Names for Huangite

Synonyms:
IMA1991-009
Other Languages:
German:Huangit
Spanish:Huanguita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Huangite

Reference List:

- +
Li, G. Peacor, D. R., Essene, E. J., Brosnahan, D. R. & Beane R. E. (1992): Walthierite, Ba0.5◻0.5Al3(SO4)2(OH)6, and huangite, Ca0.5◻0.5Al3(SO4)2(OH)6, two new minerals of the alunite group from the Coquimbo region, Chile.: American Mineralogist: 77, 1275-1284.

New Minerals (1997), New Minerals 1990-1994.

Internet Links for Huangite

Search Engines:
  • Look for Huangite on Google
  • Look for Huangite images on Google
    • External Links:
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  • Look for Huangite on Athena Mineralogy[Link Broken?]
  • Look for Huangite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Huangite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
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  • Search for Huangite from all mineral dealers at minfind.com
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    • Localities for Huangite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Bulgaria
     
    • Pazardzhik (Pazardjik) Oblast
      • Panagyurishte (Panagurishte) Obshchina
        • Popintsi
    		Hikov, C. A. (2004): Huangite and Minamiite from Petelovo Deposit, Central Srednogorie. Comptes Rendus de l'Académie Bulgare des Sciences 57, 59-64.
    Chile
     
    • Coquimbo Region
      • Elqui Province
        • El Indio deposit
          • Tambo Mine
    		AM 77 (1992), 1275; NM 90-94 (1997
    Japan
     
    • Honshu Island
      • Kanto Region
        • Gunma Prefecture
    		Matsubara et al (1998) Mineralogical Journal, 20, 1-8; Mineralogical Journal Vol. 20 (1998) , No. 1 pp 1-8
    Mineral and/or Locality
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