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Ashburtonite

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Formula:
Pb4Cu4(Si4O12)(HCO3)4(OH)3Cl · H2O
Colour:
Blue
Lustre:
Adamantine
Crystal System:
Tetragonal
Name:
Named in 1991 by Joel Denison Grice, Ernest (Ernie) Henry Nickel, and Robert A. Gault for the type locality near the Ashburton Downs pastoral lease and homestead, Western Australia, Australia.
Closely related to cerchiaraite and bobmeyerite.


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Classification of AshburtoniteHide

Approved
9.CF.05

9 : SILICATES (Germanates)
C : Cyclosilicates
F : [Si4O12]8- 4-membered single rings, with insular complex anions
78.4.2.1

78 : Unclassified Silicates
4 :
17.4.13

17 : Silicates Containing other Anions
4 : Silicates with carbonates

Pronounciation of AshburtoniteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of AshburtoniteHide

Adamantine
Colour:
Blue

Optical Data of AshburtoniteHide

Type:
Uniaxial (+)
RI values:
nω = 1.786 nε = 1.800
Max Birefringence:
δ = 0.014
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of AshburtoniteHide

Formula:
Pb4Cu4(Si4O12)(HCO3)4(OH)3Cl · H2O
IMA Formula:
HPb4Cu4(Si4O12)(HCO3)4(OH)4Cl

Crystallography of AshburtoniteHide

Crystal System:
Tetragonal
Cell Parameters:
a = 14.23 Å, c = 6.1 Å
Ratio:
a:c = 1 : 0.429
Unit Cell V:
1,235.21 ų (Calculated from Unit Cell)

Type Occurrence of AshburtoniteHide

Synonyms of AshburtoniteHide

Other Language Names for AshburtoniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Caledonite5 photos of Ashburtonite associated with Caledonite on mindat.org.
Diaboleite1 photo of Ashburtonite associated with Diaboleite on mindat.org.
Cerussite1 photo of Ashburtonite associated with Cerussite on mindat.org.
Anatacamite1 photo of Ashburtonite associated with Anatacamite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.CF.10Kainosite-(Y)Ca2(Y,Ce)2(Si4O12)(CO3) · H2OOrth. mmm (2/m 2/m 2/m)
9.CF.15ClinophosinaiteNa12(Ca,Sr)4(Si4O12)(PO4)4Mon.
9.CF.15Phosinaite-(Ce)Na13Ca2(Ce,La,Th,Nd,Pr)(Si4O12)(PO4)4Orth.
9.CF.20StrakhoviteNaBa3Mn2+2Mn3+2Si6O19(OH)3Orth.
9.CF.25Cerchiaraite-(Mn)Ba4Mn4Si6(O,OH,Cl)26Tet.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

17.4.1TilleyiteCa5(Si2O7)(CO3)2Mon.
17.4.2SpurriteCa5(SiO4)2(CO3)Mon.
17.4.3ParaspurriteCa5(SiO4)2(CO3)Mon.
17.4.4ScawtiteCa7(Si3O9)2CO3 · 2H2OMon. 2/m
17.4.5FukaliteCa4[Si2O6][CO3](OH)2Mon. 2/m : P21/b
17.4.6MeioniteCa4Al6Si6O24CO3Tet. 4/m : I4/m
17.4.7Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2OHex. 6 : P63
17.4.8CarletoniteKNa4Ca4Si8O18(CO3)4(OH,F) · H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mbm
17.4.9Iimoriite-(Y)Y2[SiO4][CO3]Tric.
17.4.10Kainosite-(Y)Ca2(Y,Ce)2(Si4O12)(CO3) · H2OOrth. mmm (2/m 2/m 2/m)
17.4.11Caysichite-(Y)Ca2Y2Si4O10(CO3)3 · 4H2OOrth. mm2
17.4.12Lepersonnite-(Gd)Ca(Gd,Dy)2(UO2)24(SiO4)4(CO3)8(OH)24 · 48H2O
17.4.14Surite(Pb,Ca)3(Al,Fe2+,Mg)2((Si,Al)4O10)(CO3)2(OH)2Mon.
17.4.15Tundrite-(Ce)Na2Ce2Ti(SiO4)(CO3)2O2Tric. 1 : P1
17.4.16Tundrite-(Nd)Na2(Nd,Ce)2Ti(SiO4)(CO3)2O2

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 AshburtoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Grice, J. D., Nickel, E. H., Gault, R. A. (1991): Ashburtonite, a new bicarbonate-silicate mineral from Ashburton Downs, Western Australia: Description and structure determination: American Mineralogist: 76, 1701-1707.
New Minerals (1997), New Minerals 1990-1994.

Internet Links for AshburtoniteHide

Localities for AshburtoniteHide

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.
Australia
 
  • Western Australia
    • Ashburton Shire
Nickel, E.H., Gartrell, B.J. (1993) Secondary Minerals of Ashburton Downs Western Australia, Mineralogical Record (May-June 1993) 24:3: 203-218.
Amer.Min.(1991) 76, 1701-1707
USA
 
  • Arizona
    • Maricopa Co.
      • Big Horn Mts
        • Osborn District
          • Tonopah
            • Belmont Mountain
Collected by and in the collection of Joe Ruiz. Analyzed at the University of Arizona.
      • Painted Rock Mts
        • Painted Rock District
          • Theba
PXRD analyzed by Tony Kampf.; Bruce Murphy Collection
Mineral and/or Locality  
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