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Deanesmithite

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Big Photo

Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
© Knut Eldjarn

Show Deanesmithite Photos (2)



Formula:
(Hg
+
2
)Hg
2+
3
(CrO
 
4
)S
 
2
O
System:TriclinicColour:Red, orange
Hardness:4½ - 5
This page provides mineralogical data about Deanesmithite.

Classification of Deanesmithite

IMA status:Approved 1991
Strunz 8th edition ID:6/F.02-07
Nickel-Strunz 10th (pending) edition ID:7.FB.20

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
F : Chromates
B : With additional O,V, S, Cl
Dana 7th edition ID:35.4.3.1
Dana 8th edition ID:35.4.3.1

35 : ANHYDROUS CHROMATES
4 : Miscellaneous
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Type Occurrence of Deanesmithite

Type Locality:Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA

Physical Properties of Deanesmithite

Colour:Red, orange
Streak:Red, orange
Hardness (Mohs):4½ - 5

Crystallography of Deanesmithite

Crystal System:Triclinic
Cell Parameters:a = 8.11Å, b = 9.5Å, c = 6.81Å
α = 100.43°, β = 110.24°, γ = 82.8°
Ratio:a:b:c = 0.854 : 1 : 0.717
Unit Cell Volume:V 483.03 ų (Calculated from Unit Cell)

Chemical Properties of Deanesmithite

Formula:
(Hg
+
2
)Hg
2+
3
(CrO
 
4
)S
 
2
O
Essential elements:Cr, Hg, O, S
All elements listed in formula:Cr, Hg, O, S

Relationship of Deanesmithite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.FB.05Phoenicochroite
Pb
 
2
(CrO
 
4
)O
7.FB.10Santanaite
Pb
 
11
(CrO
 
4
)O
 
12
7.FB.15Wattersite
(Hg
+
2
)
 
2
Hg
2+
 
(CrO
 
4
)O
 
2
7.FB.25Edoylerite
Hg
2+
3
(CrO
 
4
)S
 
2

Other Names for Deanesmithite

Synonyms:
IMA1991-001
Other Languages:
German:Deanesmithit
Russian:Динсмитит
Spanish:Deanesmithita

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 Deanesmithite

Reference List:

- +
Canadian Mineralogist (1993): 31: 787-793.

Canadian Mineralogist: 35: 765-772.

Internet Links for Deanesmithite

Search Engines:
  • Look for Deanesmithite on Google
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    • External Links:
  • Look for Deanesmithite on Webmineral
  • Look for Deanesmithite on Athena Mineralogy
  • Look for Deanesmithite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Deanesmithite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
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    • Localities for Deanesmithite

    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.
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    (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.
    USA
     
    • California
      • San Benito Co.
        • Diablo Range
          • New Idria District
            • Picacho Peak
    		Canadian Mineralogist (1993): 31: 787-793.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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