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Mojaveite

A valid IMA mineral species
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05646300015453524677409.jpg
Mojaveite, etc.

Ridge Ledge prospect, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
01287940015135388584623.jpg
Mojaveite

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
05535890014968344841370.jpg
Mojaveite

E-Site, Blue Bell Mine, Zzyzx, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
07379040015440706279653.jpg
Mojaveite, etc.

Ridge Ledge prospect, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
09917090015133760656236.jpg
Mojaveite

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
02163030014950648246805.jpg
Mojaveite

E-Site, Blue Bell Mine, Zzyzx, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
05646300015453524677409.jpg
Mojaveite, etc.

Ridge Ledge prospect, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
01287940015135388584623.jpg
Mojaveite

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
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About MojaveiteHide

Formula:
Cu6[Te6+O4(OH)2](OH)7Cl
Colour:
Greenish-blue; sky blue to medium greenish
Lustre:
Adamantine, Pearly, Dull
Hardness:
1
Specific Gravity:
4.886 (Calculated)
Crystal System:
Trigonal
Name:
Named for the Mohave desert in which the type locality is found.
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.


Unique IdentifiersHide

Mindat ID:
46069
Long-form identifier:
mindat:1:1:46069:7
GUID
(UUID V4):
333c74c3-225c-44d3-934a-b41cd4158b90

IMA Classification of MojaveiteHide

IMA status:
Approved
Approval year:
2013

Classification of MojaveiteHide

Strunz-mindat (2024):
7.BB.80

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
B : With medium-sized cations

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
MojIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of MojaveiteHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of MojaveiteHide

Lustre:
Adamantine, Pearly, Dull
Comment:
May be adamantine, pearly or dull
Colour:
Greenish-blue; sky blue to medium greenish
Streak:
Pale greenish blue
Hardness:
1 on Mohs scale
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)

Chemistry of MojaveiteHide

Mindat Formula:
Cu6[Te6+O4(OH)2](OH)7Cl
Elements listed:
Cl, Cu, H, O, Te - search for minerals with similar chemistry
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.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020532MojaveiteMills 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 1325-13402014Blue Bell claims, San Bernardino County, California, USA0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47e : [Vanadates, chromates, manganates]
47g : [Halogen-bearing surface weathering minerals]
Stage 10b: Anthropogenic minerals<10 Ka
55 : Anthropogenic mine minerals

Type Occurrence of MojaveiteHide

Co-Type Localities:
ⓘ Aga Mine, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
ⓘ Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
ⓘ Blue Bell Mine, Zzyzx, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
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:
WulfeniteTimroseiteThorneiteQuartzPerite
ParatimroseiteMcalpineiteKhiniteKettneriteHemimorphite
GoethiteGalenaChrysocollaChlorargyriteCerussite
BurckhardtiteAndradite

Synonyms of MojaveiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Mojaveite associated with KhinitePb2+Cu2+3[Te6+O6](OH)2
2 photos of Mojaveite associated with ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
2 photos of Mojaveite associated with KettneriteCaBiCO3OF
2 photos of Mojaveite associated with QuartzSiO2
2 photos of Mojaveite associated with TimroseitePb2Cu5(TeO6)2(OH)2
1 photo of Mojaveite associated with Goethiteα-Fe3+O(OH)
1 photo of Mojaveite associated with HemimorphiteZn4Si2O7(OH)2 · H2O
1 photo of Mojaveite associated with CerussitePbCO3
1 photo of Mojaveite associated with McalpineiteCu3(Te6+O6)
1 photo of Mojaveite associated with WulfenitePb(MoO4)

Related Minerals - Strunz-mindat GroupingHide

7.BB.BrumadoiteCu3(Te6+O4)(OH)4 · 5H2OMon. 2/m : P21/m
7.BB.IskandaroviteSb6O7(SO4)2Orth. mm2 : Ccc2
7.BB.Novikovite(NH4)4Mo6+2Mo5+2O8(SO4)5Mon. 2/m
7.BB.10HauckiteFe3+3(Mg,Mn2+)24Zn18(SO4)4(CO3)2(OH)81Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
7.BB.15AntleriteCu3(SO4)(OH)4Orth. mmm (2/m 2/m 2/m)
7.BB.20DolerophaniteCu2(SO4)OMon. 2/m : B2/m
7.BB.25BrochantiteCu4(SO4)(OH)6Mon. 2/m : P21/b
7.BB.25RamaccioniiteCu4[SeO4](OH)6Mon. 2/m : P21/b
7.BB.30VergasovaiteCu3(SO4)(MoO4,SO4)OOrth. mmm (2/m 2/m 2/m)
7.BB.30CupromolybditeCu3O(MoO4)2Orth. mmm (2/m 2/m 2/m) : Pnma
7.BB.35KlebelsbergiteSb4O4(SO4)(OH)2Orth. mm2
7.BB.35TavagnascoiteBi4O4(SO4)(OH)2Orth. mm2 : Pca21
7.BB.40SchuetteiteHg2+3(SO4)O2Trig. 3 2 : P31 2 1
7.BB.45ParaotwayiteNi(OH)2-x(SO4,CO3)0.5xMon.
7.BB.50XocomecatliteCu3(TeO4)(OH)4Orth.
7.BB.55Pauflerite(V4+O)SO4Orth. mmm (2/m 2/m 2/m) : Pnma
7.BB.60GrandviewiteCu3Al2(SO4)(OH)10 · H2OTric. 1 : P1
7.BB.65TimroseitePb2Cu5(TeO6)2(OH)2Orth. mm2 : Pmn21
7.BB.70GlikiniteZn3O(SO4)2Mon. 2/m : P21/m
7.BB.85ParatimroseitePb2Cu4(TeO6)2(H2O)2Orth. 2 2 2 : P21 21 21

Fluorescence of MojaveiteHide

In UV light:
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.

Internet Links for MojaveiteHide

References 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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
USA
 
  • Arizona
    • Cochise County
      • Tombstone Mining District
        • Silver Plume Mine
Marek Chorazewicz (2022)
  • California
    • Mono County
      • Bodie Hills
        • Masonic Mining District
          • New York Hill
MarekC pers. coll. 2017
    • San Bernardino County
      • Silver Lake Mining District
        • Soda Mountains
          • Baker
            • Otto Mountain
Williams et al. (2014) +1 other reference
Marek Chorazewicz (2019)
Williams et al. (2014) +2 other references
Thorne (n.d.)
Thorne (n.d.)
Housley R.
Thorne (n.d.)
Thorne (n.d.)
          • Zzyzx
Williams et al. (2014) +3 other references
Collected by and in the collection of ...
Thorne (n.d.)
  • Nevada
    • Lincoln County
      • Delamar Mining District
        • Delamar Mine
Kampf et al. (2022)
  • Utah
    • Juab County
      • Tintic Mining District
        • Mammoth
          • North Star Mine (Star Consolidated Mine)
MarekC (2019)
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