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Charlesite

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About CharlesiteHide

02539600014947863244870.jpg
Dr Charles Palache
Formula:
Ca6(Al,Si)2(SO4)2[B(OH)4](OH,O)12 · 26H2O
Colour:
Colorless, white, rarely pale yellow, rarely pink
Lustre:
Sub-Vitreous, Waxy, Dull
Hardness:
Specific Gravity:
1.77
Crystal System:
Trigonal
Name:
Named in 1983 by Pete J. Dunn, Donald R. Peacor, Peter B. Leavens, and Jack Leach Baum in honor of Dr. Charles Palache, [July 18, 1869 San Franciso, California, USA - December 5, 1954 near Charlottesville, Virginia, USA], systematic mineralogist, specialist on minerals of the Franklin District, Professor of Mineralogy at Harvard University, Cambridge, Massachusetts, USA.
Isostructural with:
Ettringite Group. Crystals are tabular [0001] with {1014}


Classification of CharlesiteHide

Approved
Approval Year:
1981
7.DG.15

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
G : With large and medium-sized cations; with NO3, CO3, B(OH)4, SiO4 or IO3
32.4.4.1

32 : COMPOUND SULFATES
4 : Hydrated Compound Sulfates containing Hydroxyl or Halogen
10.3.3

10 : Borates with other anions
3 : Borates with sulphate

Pronounciation of CharlesiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of CharlesiteHide

Sub-Vitreous, Waxy, Dull
Transparency:
Transparent, Translucent
Colour:
Colorless, white, rarely pale yellow, rarely pink
Streak:
White
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
1010
Fracture:
Irregular/Uneven
Density:
1.77 g/cm3 (Measured)    1.79 g/cm3 (Calculated)

Optical Data of CharlesiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.492(3) nε = 1.475(3)
Birefringence:
0.017
Max Birefringence:
δ = 0.017
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Optical Extinction:
parallel
Pleochroism:
Non-pleochroic

Chemical Properties of CharlesiteHide

Formula:
Ca6(Al,Si)2(SO4)2[B(OH)4](OH,O)12 · 26H2O
IMA Formula:
Ca6Al2(SO4)2B(OH)4(OH,O)12 · 26H2O

Crystallography of CharlesiteHide

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
P3 1c
Cell Parameters:
a = 11.16(1) Å, c = 21.21(2) Å
Ratio:
a:c = 1 : 1.901
Unit Cell V:
2,287.70 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Tabular to 6 mm
Comment:
Probable class, space group by analogy to ettringite.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.70 Å(100)
5.58 Å(80)
3.855 Å(80)
2.749 Å(70)
2.538 Å(70)
2.193 Å(70)
2.133 Å(50)
Comments:
natural material

Type Occurrence of CharlesiteHide

General Appearance of Type Material:
Vug and fracture coating
Place of Conservation of Type Material:
Harvard University
Geological Setting of Type Material:
Metamorphosed stratiform cabonate hosted zinc silicate and oxide deposit
Associated Minerals at Type Locality:

Synonyms of CharlesiteHide

Other Language Names for CharlesiteHide

German:Charlesit
Spanish:Charlesita

Relationship of Charlesite to other SpeciesHide

Other Members of this group:
BentoriteCa6(Cr3+,Al)2(SO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
BuryatiteCa3(Si,Fe,Al)(SO4)[B(OH)4]O(OH)5 · 12H2OTrig. 3m : P3 1c
CarraraiteCa3(SO4)[Ge(OH)6](CO3) · 12H2OHex.
ChiyokoiteCa3Si(CO3){[B(OH)4]0.5(AsO3)0.5}(OH)6·12H2OHex. 6 : P63
EttringiteCa6Al2(SO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
HielscheriteCa3Si(SO4)(SO3)(OH)6 · 11H2OHex. 6 : P63
ImayoshiiteCa3Al(CO3)[B(OH)4](OH)6 · 12H2OHex. 6 : P63
JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2OHex. 6 : P63
KottenheimiteCa 3Si(SO4)2(OH)6·12H2O Hex. 6/m : P63/m
Micheelsenite(Ca,Y)3Al(HPO4,CO3)(CO3)(OH)6 · 12H2OHex.
SiwaqaiteCa6Al2(CrO4)3(OH)12·26H2OTrig. 3m : P3 1c
SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2OTrig. 3m : P3 1c
TatarinoviteСа3Al(SO4)[B(OH)4](OH)6·12H2OHex. 6 : P63
ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2OHex. 6 : P63

Common AssociatesHide

Associated Minerals Based on Photo Data:
18 photos of Charlesite associated with ClinohedriteCaZn(SiO4) · H2O
13 photos of Charlesite associated with Hancockite{CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
8 photos of Charlesite associated with EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
7 photos of Charlesite associated with SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
6 photos of Charlesite associated with HendricksiteKZn3(Si3Al)O10(OH)2
5 photos of Charlesite associated with Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
3 photos of Charlesite associated with WillemiteZn2SiO4
2 photos of Charlesite associated with CalciteCaCO3
2 photos of Charlesite associated with RoeblingitePb2Ca6Mn2+(Si3O9)2(SO4)2(OH)2 · 4H2O
2 photos of Charlesite associated with PrehniteCa2Al2Si3O10(OH)2

Related Minerals - Nickel-Strunz GroupingHide

7.DG.MathesiusiteK5(UO2)4(SO4)4(VO5)·4H2OTet. 4/m : P4/n
7.DG.05DarapskiteNa3(SO4)(NO3) · H2OMon. 2/m
7.DG.10Clinoungemachite(Na, K, Fe, SO4)Mon. 2/m
7.DG.10HumberstoniteNa7K3Mg2(SO4)6(NO3)2 · 6H2OTrig. 3 : R3
7.DG.10UngemachiteK3Na8Fe(SO4)6(NO3)2 · 6H2OTrig. 3 : R3
7.DG.15BentoriteCa6(Cr3+,Al)2(SO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
7.DG.15EttringiteCa6Al2(SO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
7.DG.15JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2OHex. 6 : P63
7.DG.15SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2OTrig. 3m : P3 1c
7.DG.15ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2OHex. 6 : P63
7.DG.15CarraraiteCa3(SO4)[Ge(OH)6](CO3) · 12H2OHex.
7.DG.15BuryatiteCa3(Si,Fe,Al)(SO4)[B(OH)4]O(OH)5 · 12H2OTrig. 3m : P3 1c
7.DG.20RapidcreekiteCa2(SO4)(CO3) · 4H2OOrth.
7.DG.20KorkinoiteCa4(SO4)2(CO3)2 · 9(H2O)Orth. mmm (2/m 2/m 2/m) : Pmmm
7.DG.25TatarskiteCa6Mg2(SO4)2(CO3)2(OH)4Cl4 · 7H2OOrth.
7.DG.30NakauriiteCu8(SO4)4(CO3)(OH)6 · 48H2OOrth.
7.DG.35Chessexite(Na,K)4Ca2(Mg,Zn)3Al8(SO4)10(SiO4)2 · 40H2OOrth.
7.DG.40CarlosruiziteK6(Na,K)4Na6Mg10(SeO4)12(IO3)12 · 12H2OTrig. 3m (3 2/m) : P3c1
7.DG.40FuenzalidaiteK6(Na,K)4Na6Mg10(SO4)12(IO3)12 · 12H2OTrig. 3m (3 2/m) : P3c1
7.DG.45Chelyabinskite(Ca,Mg)3(SO4,CO3)2[Si(OH)6] · 9H2O (?)Orth.

Related Minerals - Dana Grouping (8th Ed.)Hide

32.4.4.2SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2OTrig. 3m : P3 1c
32.4.4.3JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2OHex. 6 : P63
32.4.4.4ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2OHex. 6 : P63
32.4.4.6CarraraiteCa3(SO4)[Ge(OH)6](CO3) · 12H2OHex.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

10.3.1SulfoboriteMg3[B(OH)4]2(SO4)(OH,F)2Orth. mm2
10.3.2HeidorniteNa2Ca3B5O8(SO4)2Cl(OH)2Mon.

Fluorescence of CharlesiteHide

Pale violet to pale green in SW
weaker in LW

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 CharlesiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Dunn, P.J., Peacor, D.R., Leavens, P.B., Baum, J.L. (1983): Charlesite, a new mineral of the ettringite group, from Franklin, New Jersey. American Mineralogist 68, 1033-1037.
Isao KUSACHI, Naoko SHIRAISHI, Kazumasa SHIMADA, Masayuki OHNISHI and Shoichi KOBAYASHI (2008): CO3-rich charlesite from the Fuka mine, Okayama Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 103, 47-51.

Internet Links for CharlesiteHide

Localities for CharlesiteHide

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.
Germany
 
  • Rhineland-Palatinate
    • Mayen-Koblenz
      • Mayen
        • Ettringen
          • Bellerberg volcano
Schäfer, Ch. (2016): Einige bemerkenswerte Funde vom Bellerberg-Vulkan bei Mayen, Der Aufschluß, Vol. 67 (1) , pp. 5-15
Japan
 
  • Okayama Prefecture
    • Takahashi City
      • Bicchu-cho (Bitchu-cho)
        • Fuka
Tanimoto et al (2001) Koubutsu-Gakkai Kou'en-Youshi (Abstracts of the Meeting of the Mineralogical Society of Japan), 113; Isao KUSACHI, Naoko SHIRAISHI, Kazumasa SHIMADA, Masayuki OHNISHI and Shoichi KOBAYASHI (2008): CO3-rich charlesite from the Fuka mine, Okayama Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 103, 47-51.
Norway
 
  • Trøndelag
    • Orkland
      • Meldal
        • Grutsæter
Jørgensen, L. B. & Sagvold, E. B. (2001): Geologiske severdigheter og mineralforekomster i Løkkenfeltet. Orkla Industrimuseum 42p
Romania
 
  • Brașov
    • Racoş Commune
Szakáll, S., Kristály, F., 2010. Mineralogy of Székelyland, Eastern Transylvania, Romania. Sfântu Gheorghe-Miercurea Ciuc-Târgu Mureş. 2010.
  • Harghita
    • Odorheiu Secuiesc (Székelyudvarhely; Oderhellen)
      • Racoş (Racoşu de Jos)
Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
Slovakia
 
  • Prešov Region
    • Vranov nad Topľou District
Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s
South Africa
 
  • Northern Cape
Gutzmer, J. (1996). Genesis and alteration of the Kalahari and Postmasburg manganese deposits, Griqualand West, South Africa (Doctoral dissertation, Rand Afrikaans University).
      • Hotazel
Minerals of South Africa
      • Kuruman
        • N'Chwaning Mines
Minerals of South Africa
USA (TL)
 
  • New Jersey
    • Sussex County
      • Franklin Mining District
        • Franklin
Dunn, et al: Am. Min.:68:1033-1037 (1983); Dunn (1995):Pt5:631.
FOMS Millsite Committee (1986) (circa), List of Mineral Species Found on the Franklin Mill Site, Franklin-Ogdensburg Mineralogical Society (unpublished).
Richard Gunter
 
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