Willemseite (original) (raw)

Crystal System:

Monoclinic

Cell Parameters:

a = 5.316(2) Å, b = 9.149(3) Å, c = 18.994(6) Å
β = 99.96(6)°

Ratio:

a:b:c = 0.581 : 1 : 2.076

Comment:

Point Group: m or 2/m:; Space Group: Cc or C2/c:

General Appearance of Type Material:

Place of Conservation of Type Material:

National Museum of Natural History, Washington, D.C., USA, 132464, 132465.

Associated Minerals at Type Locality:

Reference:

Hiemstra, S.A., de Waal, S.A. (1968) Nickel minerals from Barberton, III. Willemseite, a nickelian talc. National Institute of Metallurgy (South Africa) Research Report. Rep.: 352: 1-14.

9.EC. Balestraite KLi2V5+Si4O12 Mon. 2 : _B_2
9.EC. Meifuite KFe6(Si7Al)O19(OH)4Cl2 Tric. 1 : _P_1
9.EC.05 Minnesotaite Fe2+3Si4O10(OH)2 Tric. 1 : _P_1
9.EC.05 Talc Mg3Si4O10(OH)2 Tric. 1 : _P_1
9.EC.9.EC. Voloshinite Rb(LiAl1.5◻0.5)(Al0.5Si3.5)O10F2 Mon. 2/m : _B_2/b
9.EC.10 Ferripyrophyllite Fe3+Si2O5(OH) Mon. 2/m
9.EC.10 Pyrophyllite Al2Si4O10(OH)2 Tric. 1
9.EC.10 Luanshiweiite KLiAl1.5(Si3.5Al0.5)O10(OH)2 Mon. 2/m : _B_2/b
9.EC.10 Fluorluanshiweiite KLiAl1.5(Si3.5Al0.5)O10F2 Mon. 2/m : _B_2/m
9.EC.10 Manganiceladonite K(MgMn3+◻)(Si4O10)(OH)2 Mon.
9.EC.10 Garmite CsLiMg2(Si4O10)F2 Mon.
9.EC.10 Gorbunovite CsLi2(Ti,Fe)Si4O10(F,OH,O)2 Mon.
9.EC.15 Boromuscovite KAl2(BSi3O10)(OH)2 Mon. 2/m
9.EC.15 Celadonite K(MgFe3+◻)(Si4O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.15 Chernykhite (Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2 Mon.
9.EC.15 Montdorite (K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4 Mon. 2/m : _B_2/m
9.EC.15 Muscovite KAl2(AlSi3O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.15 Nanpingite CsAl2(AlSi3O10)(OH,F)2 Mon. 2/m : _B_2/b
9.EC.15 Paragonite NaAl2(AlSi3O10)(OH)2 Mon.
9.EC.15 Roscoelite K(V3+,Al)2(AlSi3O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.15 Tobelite (NH4,K)Al2(AlSi3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.15 Aluminoceladonite K(MgAl◻)(Si4O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.15 Chromphyllite K(Cr,Al)2(AlSi3O10)(OH,F)2 Mon. 2/m : _B_2/b
9.EC.15 Ferroaluminoceladonite K(Fe2+Al◻)(Si4O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.15 Ferroceladonite K(Fe2+Fe3+◻)(Si4O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.15 Chromceladonite K(MgCr◻)(Si4O10)(OH)2 Mon. 2 : _B_2
9.EC.15 Tainiolite KLiMg2(Si4O10)F2 Mon. 2/m : _B_2/m
9.EC.15 Ganterite (Ba,Na,K)(Al,Mg)2(AlSi3O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.15 UM1988-22-SiO:AlCaFFeHKLiMg KLiMgAl2Si3O10F2 Mon.
9.EC.15 Kreiterite CsLi2Fe3+(Si4O10)F2 Mon.
9.EC.20 Annite KFe2+3(AlSi3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Ephesite NaLiAl2(Al2Si2O10)(OH)2 Tric. 1 : _P_1
9.EC.20 Hendricksite KZn3(Si3Al)O10(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Masutomilite (K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2 Mon. 2 : _B_2
9.EC.20 Norrishite KLiMn3+2(Si4O10)O2 Mon. 2/m : _B_2/m
9.EC.20 Phlogopite KMg3(AlSi3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Polylithionite KLi2Al(Si4O10)(F,OH)2 Mon. 2/m : _B_2/b
9.EC.20 Preiswerkite NaMg2Al(Al2Si2O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.20 Siderophyllite KFe2+2Al(Al2Si2O10)(OH)2 Mon.
9.EC.20 Tetraferriphlogopite KMg3(Fe3+Si3O10)(OH,F)2 Mon. 2/m : _B_2/m
9.EC.20 Fluorotetraferriphlogopite KMg3(Fe3+Si3O10)F2 Mon. 2/m : _B_2/m
9.EC.20 Wonesite (Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4 Mon. 2/m : _B_2/m
9.EC.20 Eastonite KMg2Al(Al2Si2O10)(OH)2 Mon.
9.EC.20 Tetraferriannite KFe2+3(Si3Fe3+)O10(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Trilithionite K(Li1.5Al1.5)(AlSi3O10)(F,OH)2 Mon. 2/m : _B_2/b
9.EC.20 Fluorannite KFe2+3(Si3Al)O10F2 Mon. 2/m : _B_2/m
9.EC.20 Shirokshinite K(NaMg2)(Si4O10)F2 Mon. 2/m : _B_2/m
9.EC.20 Shirozulite KMn2+3(Si3Al)O10(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Sokolovaite CsLi2Al(Si4O10)F2 Mon.
9.EC.20 Aspidolite NaMg3(AlSi3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Fluorophlogopite KMg3(Si3Al)O10F2 Mon. 2/m : _B_2/m
9.EC.20 UM2004-49-SiO:AlCsFHKLi (Cs,K)(Al,Li)2.6((Si,Al)4O10)(F,OH)2
9.EC.20 Suhailite (NH4)Fe2+3(AlSi3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Yangzhumingite KMg2.5(Si4O10)F2 Mon. 2/m : _B_2/m
9.EC.20 Orlovite KLi2Ti(Si4O10)OF Mon. 2 : _B_2
9.EC.20 Oxyphlogopite K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2 Mon. 2/m : _B_2/m
9.EC.20 Chloroferrokinoshitalite (Ba,K)(Fe2+,Mg)3(Al2Si2O10)(Cl,OH,F)2
9.EC.22 Pimelite Ni3Si4O10(OH)2 · 4H2O Hex.
9.EC.30 Chlorophaeite (Ca,Mg,Fe)2Fe2Si4O13 · 10H2O
9.EC.30 Margarite CaAl2(Al2Si2O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.35 Anandite (Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2 Mon. 2/m : _B_2/b
9.EC.35 Bityite CaLiAl2(AlBeSi2O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.35 Clintonite CaAlMg2(SiAl3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.35 Kinoshitalite (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.35 Ferrokinoshitalite (Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2 Mon. 2/m : _B_2/m
9.EC.35 Oxykinoshitalite (Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2 Mon. 2/m : _B_2/m
9.EC.35 Fluorokinoshitalite BaMg3(Al2Si2O10)F2 Mon. 2/m : _B_2/m
9.EC.40 Beidellite (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O Mon. 2/m : _B_2/m
9.EC.40 Kurumsakite (Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?) Orth.
9.EC.40 Montmorillonite (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O Mon. 2/m : _B_2/m
9.EC.40 Nontronite Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O Mon. 2/m : _B_2/m
9.EC.40 Volkonskoite Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O Mon.
9.EC.40 Yakhontovite (Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2O Mon.
9.EC.45 Hectorite Na0.3(Mg,Li)3(Si4O10)(F,OH)2 Mon. 2/m : _B_2/m
9.EC.45 Saponite Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O Mon.
9.EC.45 Sauconite Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O Mon.
9.EC.45 Spadaite MgSiO2(OH)2 · H2O (?)
9.EC.45 Stevensite (Ca,Na)xMg3-x(Si4O10)(OH)2 Mon.
9.EC.45 Swinefordite Li(Al,Li,Mg)3((Si,Al)4O10)2(OH,F)4 · nH2O Mon. 2/m : _B_2/m
9.EC.45 Zincsilite Zn3Si4O10(OH)2 · 4H2O (?) Mon.
9.EC.45 Ferrosaponite Ca0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2O Mon.
9.EC.45 Hanjiangite Ba2CaV3+Al(H2AlSi3O12)(CO3)2F Mon. 2 : _B_2
9.EC.50 Vermiculite Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O Mon. 2/m
9.EC.52 Tarasovite near NaKAl11Si13O40(OH)9 · 3H2O
9.EC.55 Baileychlore (Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8 Tric. 1
9.EC.55 Chamosite (Fe2+)5Al(Si,Al)4O10(OH,O)8 Mon. 2/m : _B_2/m
9.EC.55 Clinochlore Mg5Al(AlSi3O10)(OH)8 Mon. 2/m : _B_2/m
9.EC.55 Cookeite (LiAl4◻)[AlSi3O10](OH)8 Mon. 2/m
9.EC.55 Franklinfurnaceite Ca2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8 Mon. 2 : _B_2
9.EC.55 Gonyerite (Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8 Orth.
9.EC.55 Nimite (Ni,Mg,Al)6((Si,Al)4O10)(OH)8 Mon. 2/m : _B_2/m
9.EC.55 Orthochamosite (Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8
9.EC.55 Pennantite Mn2+5Al(AlSi3O10)(OH)8 Tric.
9.EC.55 Sudoite Mg2Al3(Si3Al)O10)(OH)8 Mon. 2/m : _B_2/m
9.EC.55 Donbassite Al4.33(Si3Al)O10(OH)8 Mon. 2 : _B_2
9.EC.55 Glagolevite Na(Mg,Al)6(AlSi3O10)(OH,O)8 Tric. 1 : _P_1
9.EC.55 Borocookeite (LiAl4◻)[BSi3O10](OH)8 Mon. m : B b
9.EC.60 Aliettite Ca0.2Mg6((Si,Al)8O20)(OH)4 · 4H2O Mon.
9.EC.60 Corrensite (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O Orth.
9.EC.60 Dozyite Mg7Al2(Al2Si4O15)(OH)12 Mon.
9.EC.60 Hydrobiotite K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O Mon. 2/m : _B_2/m
9.EC.60 Karpinskite (Ni,Mg)2Si2O5(OH)2 (?) Mon.
9.EC.60 Kulkeite Mg8Al(AlSi7O20)(OH)10 Mon.
9.EC.60 Lunijianlaite Li0.7Al6.2(AlSi7O20)(OH,O)10 Mon.
9.EC.60 Rectorite (Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O Mon.
9.EC.60 Saliotite (Li,Na)Al3(AlSi3O10)(OH)5 Mon. 2/m : _B_2/m
9.EC.60 Tosudite Na0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O Mon. 2 : _B_2
9.EC.60 Brinrobertsite Na0.3Al4(Si4O10)2(OH)4 · 3.5 H2O Mon.
9.EC.65 Macaulayite (Fe,Al)24Si4O43(OH)2 Mon.
9.EC.70 Burckhardtite Pb2(Fe3+Te6+)[AlSi3O8]O6 Trig. 3_m_ _(_32/m ) : P_31_m
9.EC.75 Ferrisurite (Pb,Ca)2.4Fe3+2(Si4O10)(CO3)1.7(OH)3 · nH2O Mon.
9.EC.75 Surite (Pb,Ca)3(Al,Fe2+,Mg)2((Si,Al)4O10)(CO3)2(OH)2 Mon. 2 : _P_21
9.EC.75 Niksergievite (Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2O Mon.
9.EC.80 Kegelite Pb8Al4(Si8O20)(SO4)2(CO3)4(OH)8 Mon.

- 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.

Australia
Queensland Rockhampton Region Marlborough Gumigil Chrysoprase Mine Eggleton
Dominican Republic
Monseñor Nouel Province Bonao Falcondo Mines Villanova-de-Benavent et al. (2014)
Loma Peguera deposit M.E. Ciriotti (Steffen Moeckel analysis)
France
New Caledonia Northern Province Houaïlou Poro Mine Berger +1 other reference
Pouembout Népoui Mine Berger +1 other reference
Southern Province Yaté Goro Mine Wells et al. (2009)
Germany
Saxony Vogtlandkreis Limbach Reimersgrün Quarry Tröger (2012)
Plauen Röttis Hans Georg Mine Andreas Gerstenberg collection
Greece
Attica East Attica Lavreotiki Lavrion Mining District Km 3 Km 3 mines Km 3 open pit Möckel (2000)
Indonesia
Central Sulawesi Province North Morowali Regency Petasia Kolonodale Ni deposit Wei Fu et al. (2010)
Mexico
Chihuahua Jiménez Municipality Priscilianos hills - (SGM, 2019)
New Zealand
Tasman Region Cobb Valley Cobb Magnesite Quarry Coleman et al. (Lime & Marble Ltd)
Romania
Harghita County Ditrău Complex Jolotca (Orotva) Adit No 25 Hirtopanu et al. (2000)
South Africa (TL)
Mpumalanga Ehlanzeni District Municipality Mbombela Local Municipality Barberton Bon Accord Ni deposit (TL) Hiemstra et al. (1968) +2 other references
North West Dr Ruth Segomotsi Mompati District Municipality Naledi Local Municipality Vryburg Morokweng crater (Morokweng Impact Structure) Andreoli et al. (1997) +1 other reference
Switzerland
Valais Sierre Anniviers Ayer Grand-Praz Mine Ansermet (2012)
Vissoie Tounot Mine (Tounod Mine) Ansermet (2012)
USA
Montana Beaverhead County Ruby Range Wolf Creek Pluton Gobla (2012)