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Mojaveite

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About MojaveiteHide

Structurally related to bluebellite (IMA 2013-121). Second Cu-Te-O-H-Cl mineral after tlalocite.

The structure is based on Cu6MX14 brucite-like layers, with M and X in mojaveite being Te and (O,OH,Cl), respectively.


Classification of MojaveiteHide

Approved
Approval Year:
2013

Pronounciation of MojaveiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of MojaveiteHide

Adamantine, Pearly, Dull
Comment:
May be adamantine, pearly or dull
Colour:
Greenish-blue; sky blue to medium greenish
Streak:
Pale greenish blue
Hardness:
Comment:
~1
Tenacity:
Sectile
Cleavage:
Perfect
on {001}
Fracture:
Irregular/Uneven
Density:
4.886 g/cm3 (Calculated)
Comment:
Based on the empirical formulae and unit-cell dimensions

Optical Data of MojaveiteHide

Type:
Uniaxial (-)
Pleochroism:
Visible
Comments:
O (greenish blue) >> E (light greenish blue).
Comments:
n=1.95 from Gladstone-Dale relationship (n value couldn't be measured directly)

Chemical Properties of MojaveiteHide

Formula:
Cu6[Te6+O4(OH)2](OH)7Cl
Common Impurities:
Pb

Crystallography of MojaveiteHide

Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Space Group:
R3
Setting:
R3
Cell Parameters:
a = 8.316(2) Å, c = 13.202(6) Å
Ratio:
a:c = 1 : 1.588
Unit Cell V:
790.7 ų
Z:
3
Morphology:
Irregular aggregates of plates flattened on {001}, often curved, which rarely show a hexagonal outline, and also occurs as compact balls, from sky blue to medium greenish blue in colour. Aggregates and balls are up to 0.5 mm in size.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.403(91)
2.672(28)
2.512(100)
2.110(27)
1.889(34)
1.570(39)
1.481(34)
1.338(14)
Comments:
very similar to bluebellite

Type Occurrence of MojaveiteHide

General Appearance of Type Material:
Mojaveite occurs as greenish-blue plates flattened on {001}, which rarely show a hexagonal outline
Place of Conservation of Type Material:
Cotype material is deposited in the collections of the Mineral Sciences Department, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA, catalogue numbers 64091 and 64092 (Blue Bell claims) and 64093
Geological Setting of Type Material:
Formed from the decomposition of the primary minerals hessite and chalcopyrite under mildly acidic conditions.
Associated Minerals at Type Locality:

Synonyms of MojaveiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Goethite1 photo of Mojaveite associated with Goethite on mindat.org.
Chrysocolla1 photo of Mojaveite associated with Chrysocolla on mindat.org.
Khinite1 photo of Mojaveite associated with Khinite on mindat.org.
Kettnerite1 photo of Mojaveite associated with Kettnerite on mindat.org.
Hemimorphite1 photo of Mojaveite associated with Hemimorphite on mindat.org.

Fluorescence of MojaveiteHide

Non-fluorescent

Other InformationHide

Notes:
Raman bands [cm-1]: 694, 654 (poorly resolved); 624, 611, 254
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 MojaveiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mills, S.J., Kampf, A.R., Christy, A.G., Housley, R.M., Rossman, G.R. and Marty, J. (2014) Mojaveite, IMA 2013-120. CNMNC Newsletter No. 20, June 2014, page 550; Mineralogical Magazine, 78, 549-558.
Mills, S.J., Kampf, A.R., Christy, A.G., Housley, R.M., Rossman, G.R., Reynolds, R.E., Marty, J. (2014): Bluebellite and mojaveite, two new minerals from the central Mojave Desert, California, USA. Mineralogical Magazine, 78, 1325-1340.

Internet Links for MojaveiteHide

Localities for MojaveiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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
Mills, S.J., Kampf, A.R., Christy, A.G., Housley, R.M., Rossman, G.R. and Marty, J. (2014) Mojaveite, IMA 2013-120. CNMNC Newsletter No. 20, June 2014, page 550; Mineralogical Magazine, 78, 549-558; Mills, S.J., Kampf, A.R., Christy, A.G., Housley, R.M., Rossman, G.R., Reynolds, R.E., Marty, J. (2014): Bluebellite and mojaveite, two new minerals from the central Mojave Desert, California, USA. Mineralogical Magazine, 78, 1325-1340.
Mills, S.J., Kampf, A.R., Christy, A.G., Housley, R.M., Rossman, G.R. and Marty, J. (2014) Mojaveite, IMA 2013-120. CNMNC Newsletter No. 20, June 2014, page 550; Mineralogical Magazine, 78, 549-558; Mills, S.J., Kampf, A.R., Christy, A.G., Housley, R.M., Rossman, G.R., Reynolds, R.E., Marty, J. (2014): Bluebellite and mojaveite, two new minerals from the central Mojave Desert, California, USA. Mineralogical Magazine, 78, 1325-1340.
Collected by and in the collection of Brent Thorne.
Collected by and in the collection of Brent Thorne.
Housley R., pers.comm., May 2017
Collected by and in the collection of Brent Thorne.
          • Zzyzx (Fort Soda; Soda; Soda Springs; Zzyzx Mineral Spring Resort)
Mills, S.J., Kampf, A.R., Christy, A.G., Housley, R.M., Rossman, G.R. and Marty, J. (2014) Mojaveite, IMA 2013-120. CNMNC Newsletter No. 20, June 2014, page 550; Mineralogical Magazine, 78, 549-558; Mills, S.J., Kampf, A.R., Christy, A.G., Housley, R.M., Rossman, G.R., Reynolds, R.E., Marty, J. (2014): Bluebellite and mojaveite, two new minerals from the central Mojave Desert, California, USA. Mineralogical Magazine, 78, 1325-1340.
Mineral and/or Locality  
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