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Edtollite

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06765440015801758022367.jpg
Eduard Toll
Formula:
K2NaCu5Fe3+O2(AsO4)4
Colour:
Brown–black to black
Lustre:
Sub-Metallic
Specific Gravity:
4.26 (Calculated)
Crystal System:
Triclinic
Name:
Named in honor of Eduard Gustav Freiherr von Toll (in Russian, Eduard Vasilievich Toll) (March 1858, Reval, Russian Empire (now Estonia) – 1902, East Siberian Sea), geologist and Arctic explorer.
New structure type. Unique combination of elements. Compare melanarsite, pansnerite and achyrophanite.

The Fe(III) analogue of alumoedtollite.


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Classification of EdtolliteHide

Approved
Approval Year:
2016
First Published:
2019
8.AC.

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations

Physical Properties of EdtolliteHide

Sub-Metallic
Colour:
Brown–black to black
Density:
4.26 g/cm3 (Calculated)

Optical Data of EdtolliteHide

Type:
Anisotropic
Anisotropism:
Distinct
Reflectivity:
470nmR1=8.3%R2= 8.2%
546nmR1=7.7%R2= 7.4%
589nmR1=7.1%R2= 6.9%
650nmR1=6.3%R2= 6.3%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 8.3%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Grey

Chemical Properties of EdtolliteHide

Formula:
K2NaCu5Fe3+O2(AsO4)4

Crystallography of EdtolliteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 5.1168(6) Å, b = 9.124(1) Å, c = 9.698(1) Å
α = 110.12(1)°, β = 102.45(1)°, γ = 92.85(1)°
Ratio:
a:b:c = 0.561 : 1 : 1.063
Unit Cell V:
411.32 ų
Z:
1

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.79Å(92)
7.63Å(41)
5.22Å(44)
3.427Å(100)
3.148Å(64)
2.851Å(65)
2.569Å(77)
2.551Å(40)
Comments:
From Type Description.

Geological EnvironmentHide

Paragenetic Mode(s):
•  Fumarolic

Type Occurrence of EdtolliteHide

General Appearance of Type Material:
Prismatic crystals up to 0.02 mm × 0.1 mm
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia, registration number 4851/1
Geological Setting of Type Material:
Fumarole
Associated Minerals at Type Locality:
Reference:
Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Ksenofontov, D.A., Pautov, L.A., Sidorov, E.G., Britvin, S.N., Vigasina, M.F., Pushcharovsky, D.Y. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. X. Edtollite, K2NaCu5Fe3+O2(AsO4)4, and alumoedtollite, K2NaCu5AlO2(AsO4)4. Mineralogical Magazine: 83(4): 485-495.

Synonyms of EdtolliteHide

Related Minerals - Nickel-Strunz GroupingHide

8.AC.AngarfiteNaFe3+5(PO4)4(OH)4·4H2O Orth. 2 2 2 : C2 2 21
8.AC.WopmayiteCa6Na3□Mn(PO4)3(PO3OH)4Trig. 3m : R3c
8.AC.AlumoedtolliteK2NaCu5AlO2(AsO4)4Tric. 1 : P1
8.AC.05HowardevansiteNaCuFe2(VO4)3Tric. 1 : P1
8.AC.10Alluaudite(Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3Mon.
8.AC.10Arseniopleite(Ca,Na)NaMn2+(Mn2+,Mg,Fe2+)2(AsO4)3Mon. 2/m : P2/b
8.AC.10Caryinite(Na,Pb)(Ca,Na)CaMn2+2(AsO4)3Mon. 2/m
8.AC.10Ferroalluaudite(Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3Mon. 2/m : B2/b
8.AC.10HagendorfiteNaCaMn2+Fe2+2(PO4)3Mon. 2/m : B2/b
8.AC.10JohilleriteNa(Mg,Zn)3Cu(AsO4)3Mon. 2/m : B2/b
8.AC.10Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3Mon.
8.AC.10NickenichiteNa0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3Mon. 2/m : B2/b
8.AC.10VaruliteNaCaMn2+Mn2+2(PO4)3Mon. 2/m : B2/b
8.AC.10FerrohagendorfiteNaCaFe2+Fe2+2(PO4)3Mon.
8.AC.10BradaczekiteNaCu4(AsO4)3Mon. 2/m : B2/b
8.AC.10YazganiteNaFe3+2(Mg,Mn2+)(AsO4)3 · H2OMon. 2/m : B2/b
8.AC.10GroatiteNaCaMn2(PO4)(HPO4)2Mon. 2/m : B2/b
8.AC.15BobfergusoniteNa2Mn5FeAl(PO4)6Mon. 2/m : P2/b
8.AC.15Ferrowyllieite(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15QingheiiteNaMn3+Mg(Al,Fe3+)(PO4)3Mon. 2/m : P21/b
8.AC.15Rosemaryite(Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15Wyllieite(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3Mon. 2/m
8.AC.15Ferrorosemaryite◻NaFe2+Fe3+Al(PO4)3Mon.
8.AC.15Qingheiite-(Fe2+)Na2Fe2+MgAl(PO4)3Mon. 2/m : P21/m
8.AC.18ManitobaiteNa16Mn2+25Al8(PO4)30Mon. m : Pb
8.AC.20MarićiteNaFe2+(PO4)Orth. mmm (2/m 2/m 2/m) : Pmna
8.AC.25Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25ManganberzeliiteNaCa2Mn2+2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25Palenzonaite(NaCa2)Mn2+2(VO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25SchäferiteCa2NaMg2(VO4)3Iso.
8.AC.30BrianiteNa2CaMg(PO4)2Mon. 2/m : P21/b
8.AC.35Vitusite-(Ce)Na3(Ce,La,Nd)(PO4)2Orth. mm2 : Pca21
8.AC.40Olgite(Sr,Ba)(Na,Sr,REE)2Na(PO4)2Trig. 3m (3 2/m) : P3m1
8.AC.40Bario-olgite(Ba,Sr)(Na,Sr,REE)2Na(PO4)2 · Trig. 3 : P3
8.AC.45StrontiowhitlockiteSr9Mg(PO4)6(HPO4)Trig. 3m : R3c
8.AC.45WhitlockiteCa9Mg(PO4)6(HPO4)Trig. 3m : R3c
8.AC.45MerrilliteCa9NaMg(PO4)7Trig. 3m : R3m
8.AC.45TuiteCa3(PO4)2Trig. 3m (3 2/m) : R3m
8.AC.45FerromerrilliteCa9NaFe2+(PO4)7Trig. 3m : R3c
8.AC.50Chladniite{Ca}{Na8}{Ca4Na4}{(Mg,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50Fillowite{Mn2+}{Na8}{Ca4Na4}{(Mn2+,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50JohnsomervilleiteNa10Ca6Mg18Fe25(PO4)36Trig.
8.AC.50Galileiite{Fe2+}{Na8}{Fe2+4Na4}{Fe2+43}(PO4)36Trig. 3 : R3
8.AC.50Stornesite-(Y){(Y, Ca)}{Na62}{(Ca,Na)8}{(Mg,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50XenophylliteNa4Fe2+7(PO4)6Tric. 1 : P1
8.AC.55HarrisoniteCa(Fe2+,Mg)6(PO4)2(SiO4)2Trig.
8.AC.60KosnariteKZr2(PO4)3Trig. 3m (3 2/m) : R3c
8.AC.65Panethite(Na,Ca)2(Mg,Fe2+)2(PO4)2Mon. 2/m : P21/b
8.AC.70StanfielditeCa4Mg5(PO4)6Mon.
8.AC.75RonneburgiteK2MnV4O12Mon. 2/m
8.AC.80Tillmannsite(Ag3Hg)(VO4,AsO4)Tet. 4 : I4
8.AC.85FilatoviteK(Al,Zn)2(As,Si)2O8Mon. 2/m

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 EdtolliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Pautov, L.A., Vigasina, M.F., Sidorov, E.G., Ksenofontov, D.A., Britvin, S.N. and Pushcharovsky, D.Y. (2016) Edtollite, IMA 2016-010. CNMNC Newsletter No. 31, June 2016, page 696. Mineralogical Magazine: 80: 691–697.
Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Ksenofontov, D.A., Pautov, L.A., Sidorov, E.G., Britvin, S.N., Vigasina, M.F., Pushcharovsky, D.Y. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. X. Edtollite, K2NaCu5Fe3+O2(AsO4)4, and alumoedtollite, K2NaCu5AlO2(AsO4)4. Mineralogical Magazine: 83(4): 485-495.

Internet Links for EdtolliteHide

Localities for EdtolliteHide

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.
Russia (TL)
 
  • Kamchatka Krai
    • Tolbachik volcano
      • Great Fissure eruption (Main Fracture)
        • Northern Breakthrough (North Breach)
          • Second scoria cone
Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Pautov, L.A., Vigasina, M.F., Sidorov, E.G., Ksenofontov, D.A., Britvin, S.N. and Pushcharovsky, D.Y. (2016) Edtollite, IMA 2016-010. CNMNC Newsletter No. 31, June 2016, page 696; Mineralogical Magazine, 80, 691–697.
 
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