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Eckhardite

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About EckharditeHide

Formula:
(Ca,Pb)Cu2+Te6+O5(H2O)
Crystal System:
Monoclinic
Name:
Named in honor of Colonel (retired) Eckhard D. Stuart (b. 1939), a prolific American field collector and micro collector of Jackson, Mississippi, and Mancos, Colorado, who discovered the species.
This page provides mineralogical data about Eckhardite.


Classification of EckharditeHide

Approved

Chemical Properties of EckharditeHide

Formula:
(Ca,Pb)Cu2+Te6+O5(H2O)

Crystallography of EckharditeHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 8.1606(8) Å, b = 5.3076(6) Å, c = 11.4412(15) Å
γ = 101.549(7)°
Ratio:
a:b:c = 1.538 : 1 : 2.156

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Unit Cell V:
0.00 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.94(100)
3.287(80)
2.645(89)
2.485(48)
2.245(46)
1.809(40)
1.552(42)
1.530(43)
Comments:
From Type Description.

Type Occurrence of EckharditeHide

Place of Conservation of Type Material:
Type material is deposited in the collections of the Mineral Sciences Department, Natural History Museum of Los Angeles County, Los Angeles, California, USA, catalogue numbers 62512 and 64011

Synonyms of EckharditeHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Markcooperite4 photos of Eckhardite associated with Markcooperite on mindat.org.
Khinite2 photos of Eckhardite associated with Khinite on mindat.org.
Ottoite1 photo of Eckhardite associated with Ottoite on mindat.org.
Housleyite1 photo of Eckhardite associated with Housleyite on mindat.org.
Thorneite1 photo of Eckhardite associated with Thorneite on mindat.org.

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 EckharditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kampf, A.R., Mills, S.J., Housley, R.M., Rossman, G.R., Marty, J. and Thorne, B.(2013) Eckhardite, IMA 2012-085. CNMNC Newsletter No. 16, August 2013, page 2696; Mineralogical Magazine, 77, 2695-2709.

Internet Links for EckharditeHide

Localities for EckharditeHide

ⓘ - 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)
 
  • California
    • San Bernardino Co.
      • Silver Lake District
        • Soda Mts
          • Baker
            • Otto Mountain
Kampf, A.R., Mills, S.J., Housley, R.M., Rossman, G.R., Marty, J. and Thorne, B. (2013) Eckhardite, IMA 2012-085. CNMNC Newsletter No. 16, August 2013, page 2696; Mineralogical Magazine, 77, 2695-2709
Kampf, A.R., Mills, S.J., Housley, R.M., Rossman, G.R., Marty, J. and Thorne, B. (2013) Eckhardite, IMA 2012-085. CNMNC Newsletter No. 16, August 2013, page 2696; Mineralogical Magazine, 77, 2695-2709
MarekC personal collection, SEM-EDS verified by R. Housley, 2015
Mineral and/or Locality  
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