strontium — Sr
Het chemische element strontium is een element van het type Alkalisch aardmetaal met symbool Sr. Het heeft een atoommassa van 87.62 u en een elektronenconfiguratie [Kr] 5s2.
Synthétique
Radioactif
Liquide
Gaz
769°
1384°
1384°
87.62
38
2
Sr
2
8
18
8
2
8
18
8
2
[Kr] 5s2
0.95
5.6949
Diagram van elektronenconfiguratie
kenmerken
- Atoomnummer
- 38
- Atoommassa
- 87.62
- Symbool
- Sr
- Smeltpunt
- 769
- Kookpunt
- 1384
- Dichtheid
- 2.64
- Periode
- 5
- Groep
- 2
- Ontdekking
- 1808 Davy
- Overvloed
- 370
- Straal
- 2.5
- Elektronegativiteit
- 0.95
- Ionisatie
- 5.6949
- Isotoop
- 18
- Elektronenconfiguratie
- [Kr] 5s2
- Oxidatietoestand
- 2
- Elektron
- 2,8,18,8,2
Strontium is een licht metaalachtig chemisch element dat behoort tot de aardalkali-familie. Het symbool is Sr en het atoomnummer is 38. Het is een van de drie elementen van de strontiumgroep, het tweede is barium en het derde is calcium.
strontium is een zacht en kneedbaar metaal. Het heeft een delicate metallic witte kleur en reageert zeer snel. De reactiviteit ligt dicht bij die van calcium, waarmee het qua chemische eigenschappen sterk op elkaar lijkt. Het is oplosbaar in zoutzuur en lost moeilijk op in basische oplossing. Het reageert sterk met water en geeft brandbare gassen vrij.
De belangrijkste chemische toepassingen van strontium zijn in metaallegeringen voor metaalcoating, lassen, gieten en gieten. Het wordt ook gebruikt in explosieven, lichtgevende stoffen en pigmenten. Legeringen die strontium bevatten, worden gebruikt als smeermiddelen en voor verschillende mechanische toepassingen.
strontium is ook een belangrijk element in de nucleaire industrie. Het wordt gebruikt bij de vervaardiging van strontium-90-verbindingen, een radioactieve isotoop die wordt gebruikt om tumoren te behandelen. Het is ook een belangrijke bron van neutronen bij de werking van kernreactoren.
In de geneeskunde heeft strontium potentiële voordelen en risico's. Studies suggereren dat het kan helpen botten te versterken en de botdichtheid te verbeteren. Er is echter beperkt bewijs dat het het risico op kanker kan verhogen en de gezondheidsautoriteiten houden de consumptie nauwlettend in de gaten.
Mineralen die strontium bevatten
| voornaam | Hardheid | Dichtheid | Chemische formule |
|---|---|---|---|
| Acuminite | — | 3.30 | SrAlF4(OH)·H2O |
| Agrinierite | — | 5.62 | K2Ca[(UO2)3O3(OH)2]2·5H2O |
| Alsakharovite-Zn | — | 2.90 | NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4·7H2O |
| Ancylite-(Ce) | — | 3.90 | CeSr(CO3)2(OH)·H2O |
| Ancylite-(La) | — | 3.88 | LaSr(CO3)2(OH)·H2O |
| Andrianovite | — | 3.02 | Na12(K,Sr,Ce)3Ca6Mn3Zr3NbSi25O73(O,H2O,OH)5 |
| Aqualite | — | 2.66 | (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl |
| Arrojadite-(BaFe) | — | 3.54 | BaFe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| Arrojadite-(KNa) | — | 0.00 | KNa3(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| Arrojadite-(SrFe) | — | 0.00 | SrFe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| Arsenocrandallite | — | 3.25 | CaAl3(AsO4)(AsO3OH)(OH)6 |
| Arsenoflorencite-(La) | — | 4.10 | LaAl3(AsO4)2(OH)6 |
| Arsenogoyazite | — | 3.33 | SrAl3(AsO4)(AsO3OH)(OH)6 |
| Attakolite | — | 3.09 | CaMn2+Al4(HSiO4)(PO4)3(OH)4 |
| Bario-olgite | — | 4.00 | Na(Na,Sr,Ce)2Ba(PO4)2 |
| Bario-orthojoaquinite | — | 3.96 | Ba4Fe2+2Ti2O2(SiO3)8·H2O |
| Bariopyrochlore | — | 4.00 | Ba2Nb2O7 |
| Barytolamprophyllite | — | 3.62 | Na3(BaK)Ti3(Si2O7)2O2(OH)2 |
| Bassoite | — | 2.94 | SrV4+3O7·4H2O |
| Batiferrite | — | 0.00 | BaTi2Fe3+8Fe2+2O19 |
| Bellbergite | — | 2.20 | (K,Ba,Sr)2Sr2Ca2(Ca,Na)4(Si,Al)36O72·30H2O |
| Belovite-(Ce) | — | 4.19 | NaCeSr3(PO4)3F |
| Belovite-(La) | — | 4.19 | NaLaSr3(PO4)3F |
| Benauite | — | 3.65 | SrFe3+3(PO4)(PO3OH)(OH)6 |
| Benstonite | — | 3.60 | Ba6Ca6Mg(CO3)13 |
| Bjarebyite | — | 4.02 | BaMn2+2Al2(PO4)3(OH)3 |
| Bobtraillite | — | 3.16 | (Na,Ca)13Sr11(Zr,Y,Nb)14Si42B6O132(OH)12·12H2O |
| Bøggildite | — | 3.66 | Na2Sr2Al2(PO4)F9 |
| Bøgvadite | — | 3.85 | Na2Ba2SrAl4F20 |
| Brewsterite-Ba | — | 2.45 | Ba(Al2Si6)O16·5H2O |
| Brewsterite-Sr | — | 2.45 | Sr(Al2Si6)O16·5H2O |
| Burbankite | — | 3.50 | (Na,Ca)3(Sr,Ba,Ce)3(CO3)5 |
| Burovaite-Ca | — | 2.73 | (Na,K)4Ca2(Ti,Nb)8[Si4O12]4(OH,O)8·12H2O |
| Bussenite | — | 3.63 | Na2Ba2Fe2+TiSi2O7(CO3)O(OH)F·H2O |
| Bykovaite | — | 2.98 | (Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2O2Si4O14(H2O,F,OH)2·3.5H2O |
| Cairncrossite | — | 2.85 | Sr2Ca7-xNa2x(Si4O10)4(OH)2(H2O)15-x, (0=x=1) |
| Calcioancylite-(Ce) | — | 0.00 | (Ce,Ca,Sr)CO3(OH,H2O) |
| Calcioburbankite | — | 3.45 | Na3(Ca,Ce,Sr,La)3(CO3)5 |
| Calcjarlite | — | 3.51 | NaCa3Al3F16 |
| Carbocernaite | — | 3.53 | (Sr,Ce,La)(Ca,Na)(CO3)2 |
| Carbokentbrooksite | — | 3.14 | (Na)12(Na,Ce)3Ca6Mn3Zr3NbSi25O73(OH)3(CO3)·H2O |
| Caryochroite | — | 2.99 | (Na,Sr)3(Fe3+,Mg)10Ti2Si12O37(H2O,O,OH)17 |
| Celestine | — | 3.90 | SrSO4 |
| Cerite-(La) | — | 4.70 | (La,Ce,Ca)9(Fe3+,Ca,Mg)(SiO4)3(SiO3OH)4(OH)3 |
| Chabazite-Ca | — | 2.05 | Ca2Al4Si8O24·13H2O |
| Chabazite-Na | — | 2.05 | (Na3K)Al4Si8O24·11H2O |
| Chabazite-Sr | — | 2.16 | (Sr,Ca)2Al4Si8O24·11H2O |
| Charoite | — | 2.54 | (K,Sr,Ba,Mn)15-16(Ca,Na)32Si70(O,OH)180(OH,F)4·nH2O |
| Chivruaiite | — | 2.40 | Ca4(Ti,Nb)5(Si6O17)2(OH,O)5·13-14H2O |
| Cleusonite | — | 4.74 | Pb(U4+,U6+)Fe2+2(Ti,Fe2+,Fe3+)18(O,OH)38 |
| Clinophosinaite | — | 2.85 | Na3Ca(SiO3)(PO4) |
| Clinoptilolite-K | — | 2.10 | K6(Si30Al6)O72·20H2O |
| Cordylite-(La) | — | 4.33 | NaCaBa2La3Sr(CO3)8F2 |
| Crawfordite | — | 3.05 | Na3Sr(PO4)(CO3) |
| Crichtonite | — | 4.46 | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| Dachiardite-Ca | — | 2.14 | Ca2(Si20Al4)O48·13H2O |
| Daqingshanite-(Ce) | — | 3.81 | Sr3CePO4(CO3)3 |
| Deloneite | — | 0.00 | (Na0.5REE0.25Ca0.25)(Ca0.75REE0.25)Sr1.5(CaNa0.25REE0.25)(PO4)3F0.5(OH)0.5 |
| Delrioite | — | 3.10 | Sr(V5+O3)2·4H2O |
| Dessauite-(Y) | — | 4.68 | Sr(Y,U,Mn)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| Dickinsonite-(KMnNa) | — | 3.42 | K(NaMn)CaNa3AlMn13(PO4)12(OH)2 |
| Direnzoite | — | 2.12 | NaK6MgCa2(Al13Si47)O120·36H2O |
| Dissakisite-(La) | — | 3.79 | CaLaMgAl2(Si2O7)(SiO4)O(OH) |
| Diversilite-(Ce) | — | 3.68 | Na2Ba6Ce2Fe2+Ti3Si12O36(OH)10·nH2O |
| Donnayite-(Y) | — | 3.30 | NaSr3CaY(CO3)6·3H2O |
| Dualite | — | 2.84 | Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9 |
| Epidote-(Sr) | — | 0.00 | CaSrFe3+Al2(Si2O7)(SiO4)O(OH) |
| Eveslogite | — | 2.85 | (Ca,K,Na,Sr,Ba)48(Ti,Nb,Fe,Mn)12(OH)12Si48O144(OH,F,Cl)14 |
| Ewaldite | — | 3.25 | Ba(Na,Ca,Y,Ce,K)(CO3)2·2.6H2O |
| Faizievite | — | 2.82 | Li6K2Na(Ca6Na)Ti4(Si6O18)2(Si12O30)F2 |
| Feklichevite | — | 2.87 | Na11Ca9(Fe3+,Fe2+)2Zr3Nb(Si25O73)(OH,H2O,Cl,O)5 |
| Fengchengite | — | 0.00 | Na123(Ca,Sr)6Fe3+3Zr3Si(Si25O73)(H2O,OH)3(OH,Cl)2 |
| Ferrierite-Mg | — | 2.06 | [Mg2(K,Na)2Ca0.5](Si29Al7)O72·18H2O |
| Ferrierite-Na | — | 2.06 | (Na,K)5(Si31Al5)O72·18H2O |
| Ferrokentbrooksite | — | 3.06 | Na15Ca6Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)2 |
| Ferronordite-(Ce) | — | 3.46 | Na3SrCeFe2+Si6O17 |
| Ferronordite-(La) | — | 3.54 | Na3SrLaFe2+Si6O17 |
| Fersmanite | — | 3.44 | Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 |
| Fluorbritholite-(Ce) | — | 4.66 | (Ce,Ca)5(SiO4)3F |
| Fluorcalciobritholite | — | 4.20 | (Ca,REE)5(SiO4,PO4)3F |
| Fluorcaphite | — | 3.60 | SrCaCa3(PO4)3F |
| Fluorlamprophyllite | — | 0.00 | Na3(SrNa)Ti3(Si2O7)2O2F2 |
| Fluorstrophite | — | 0.00 | SrCaSr3(PO4)3F |
| Fontarnauite | — | 0.00 | (Na,K)2(Sr,Ca)(SO4)[B5O8(OH)]·2H2O |
| Footemineite | — | 2.87 | Ca2Mn2+5Be4(PO4)6(OH)4·6H2O |
| Georgbarsanovite | — | 3.05 | Na12(Mn,Sr,REE)3Ca6Fe2+3Zr3NbSi25O76Cl2·H2O |
| Gjerdingenite-Ca | — | 2.79 | K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O |
| Gmelinite-Ca | — | 2.03 | Ca2(Si8Al4)O24·11H2O |
| Goedkenite | — | 3.83 | Sr2Al(PO4)2(OH) |
| Goyazite | — | 3.16 | SrAl3(PO4)(PO3OH)(OH)6 |
| Gramaccioliite-(Y) | — | 4.66 | (Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38 |
| Grandaite | — | 4.38 | Sr2Al(AsO4)2(OH) |
| Graulichite-(Ce) | — | 3.90 | CeFe3+3(AsO4)2(OH)6 |
| Gutkovaite-Mn | — | 2.83 | CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5H2O |
| Haradaite | — | 3.80 | SrV4+Si2O7 |
| Hennomartinite | — | 3.00 | SrMn3+2Si2O7(OH)2·H2O |
| Heulandite-Ba | — | 2.35 | (Ba,Ca,K)5(Si27Al9)O72·22H2O |
| Heulandite-Ca | — | 2.20 | (Ca,Na,K)5(Si27Al9)O72·26H2O |
| Heulandite-K | — | 2.20 | (K,Ca,Na)5(Si27Al9)O72·26H2O |
| Heulandite-Sr | — | 2.20 | (Sr,Ca,Na)5(Si27Al9)O72·24H2O |
| Hezuolinite | — | 4.30 | (Sr,REE)4Zr(Ti,Fe3+,Fe2+)2Ti2O8(Si2O7)2 |
| Hinsdalite | — | 4.65 | PbAl3(SO4)(PO4)(OH)6 |
| Hochelagaite | — | 2.85 | CaNb4O11·8H2O |
| Ikranite | — | 2.82 | (Na,H3O)15(Ca,Mn,REE)6Fe3+2Zr3Si24O66(O,OH)6Cl·nH2O |
| Ilímaussite-(Ce) | — | 3.60 | (Ba,Na)10K3Na4.5Ce5(Nb,Ti)6O6(Si12O36)(Si9O18)(O,OH)24 |
| Itoigawaite | — | 0.00 | SrAl2Si2O7(OH)2·H2O |
| Jarlite | — | 3.87 | Na2(Sr,Na)14Mg2Al12F64(OH,H2O)4 |
| Johnsenite-(Ce) | — | 3.20 | Na12Ce3Ca6Mn3Zr3WSi25O73(CO3)(OH)2 |
| Jørgensenite | — | 3.89 | Na2Sr14Na2Al12F64(OH)4 |
| Kalistrontite | — | 3.20 | K2Sr(SO4)2 |
| Kampfite | — | 3.45 | Ba12(Si11Al5)O31(CO3)8Cl5 |
| Karasugite | — | 3.21 | SrCaAlF7 |
| Karchevskyite | — | 2.21 | [Mg18Al9(OH)54][Sr2(CO3,PO4)9(H2O,H3O)11] |
| Karupmøllerite-Ca | — | 2.71 | (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4·7H2O |
| Kemmlitzite | — | 3.63 | SrAl3(AsO4)(SO4)(OH)6 |
| Khanneshite | — | 3.80 | (Na,Ca)3(Ba,Sr,Ce,Ca)3(CO3)5 |
| Khomyakovite | — | 3.14 | Na12Ca6Sr3Fe3WZr3(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| Kochite | — | 3.32 | Na(Na,Ca)2Ca2(Mn,Ca)ZrTi(Si2O7)2(F,O)4 |
| Komarovite | — | 3.61 | (Ca,Sr,Na)6-x(Nb,Ti)6(Si4O12)(O,OH,F)16·nH2O |
| Kozoite-(La) | — | 4.16 | LaCO3(OH) |
| Krettnichite | — | 4.50 | PbMn3+2(VO4)2(OH)2 |
| Kuannersuite-(Ce) | — | 4.66 | Na2Ce2Ba6(PO4)6FCl |
| Kukharenkoite-(La) | — | 4.65 | Ba2La(CO3)3F |
| Kurgantaite | — | 2.99 | CaSrB5O9Cl·H2O |
| Kuzmenkoite-Zn | — | 2.78 | K2ZnTi4(Si4O12)2(OH)4·6-8H2O |
| Labyrinthite | — | 2.88 | (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 |
| Lakargiite | — | 4.59 | CaZrO3 |
| Lakebogaite | — | 3.00 | NaCaFe3+2H(UO2)2(PO4)4(OH)2·8H2O |
| Lamprophyllite | — | 3.44 | Na3(SrNa)Ti3(Si2O7)2O2(OH)2 |
| Lepkhenelmite-Zn | — | 2.96 | Ba2Zn(Ti,Nb)4(Si4O12)2(O,OH)4·7H2O |
| Lindsleyite | — | 4.63 | (Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38 |
| Loparite-(Ce) | — | 4.77 | (Na,Ce,Sr)(Ce,Th)(Ti,Nb)2O6 |
| Lulzacite | — | 3.55 | Sr2Fe2+3Al4(PO4)4(OH)10 |
| Manganiandrosite-(Ce) | — | 0.00 | Mn2+Ce3+AlMn3+Mn2+(Si2O7)(SiO4)O(OH) |
| Manganokhomyakovite | — | 3.13 | Na12Ca6Sr3Mn2+3WZr3(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| Manganonordite-(Ce) | — | 3.43 | Na3SrCeMn2+Si6O17 |
| Mapiquiroite | — | 0.00 | (Sr,Pb)(U,Y)Fe2(Ti,Fe3+,Cr3+)18O38 |
| Mathiasite | — | 4.60 | (K,Ba,Sr)(Zr,Fe)(Mg,Fe)2(Ti,Cr,Fe)18O38 |
| Matsubaraite | — | 4.13 | Sr4Ti5O8(Si2O7)2 |
| Mckelveyite-(Nd) | — | 3.47 | NaCaBa3Nd(CO3)6·nH2O |
| Mckelveyite-(Y) | — | 3.47 | NaBa3(Ca,U)Y(CO3)6·3H2O |
| Meieranite | — | 0.00 | Na2Sr3MgSi6O17 |
| Metadelrioite | — | 4.30 | SrCa(VO3)2(OH)2 |
| Miyahisaite | — | 4.51 | (Sr,Ca)2Ba3(PO4)3F |
| Montroyalite | — | 2.67 | Sr4Al8(CO3)3(OH)26·10H2O |
| Nabalamprophyllite | — | 3.58 | Na3(BaNa)Ti3(Si2O7)2O2(OH)2 |
| Nastrophite | — | 2.05 | NaSrPO4·9H2O |
| Natropalermoite | — | 3.50 | Na2SrAl4(PO4)4(OH)4 |
| Nechelyustovite | — | 3.32 | (Ba,Na)2(Na,Ti,Mn)4(Ti,Nb)2Si4O14(OH,O,F)5·3H2O |
| Niigataite | — | 3.63 | CaSrAl3(Si2O7)(SiO4)O(OH) |
| Nordite-(Ce) | — | 6.43 | Na3SrCeZnSi6O17 |
| Nordite-(La) | — | 3.43 | Na3SrLaZnSi6O17 |
| Ohmilite | — | 3.38 | Sr3(Ti,Fe3+)(Si2O6)2(O,OH)·2H2O |
| Okanoganite-(Y) | — | 4.35 | (Y,REE,Ca,Na,Th)16(Fe3+,Ti)(Si,B,P)10(O,OH)38F10 |
| Olekminskite | — | 3.70 | Sr2(CO3)2 |
| Olgite | — | 3.94 | Na(Na,Sr)2Ba(PO4)2 |
| Palermoite | — | 3.22 | Li2SrAl4(PO4)4(OH)4 |
| Parakuzmenkoite-Fe | — | 3.00 | (K,Ba)8Fe4Ti16(Si4O12)8(OH,O)16·20-28H2O |
| Paratooite-(La) | — | 0.00 | (La,Ca,Na,Sr)6Cu(CO3)8 |
| Paratsepinite-Ba | — | 2.88 | (Ba,Na,K)2-x(Ti,Nb)2Si4O12(OH,O)2·4H2O |
| Paratsepinite-Na | — | 0.00 | (Na,Sr,K,Ca)2(Ti,Nb)2(Si4O12)(O,OH)2·4H2O |
| Pekovite | — | 3.35 | SrB2Si2O8 |
| Perrierite-(Ce) | — | 4.29 | Ce4MgFe3+2Ti4+2O8(Si2O7)2 |
| Petersenite-(Ce) | — | 3.69 | Na4Ce2(CO3)5 |
| Petterdite | — | 3.97 | PbCr2(CO3)2(OH)4·H2O |
| Phosphoinnelite | — | 3.82 | Na3Ba4Ti3Si4O14(PO4)2O2F |
| Piemontite-(Sr) | — | 3.65 | CaSrMn3+Al2(Si2O7)(SiO4)O(OH) |
| Podlesnoite | — | 3.62 | Ca2Ba(CO3)2F2 |
| Polezhaevaite-(Ce) | — | 4.65 | NaSrCeF6 |
| Putnisite | — | 2.23 | SrCa4Cr3+8(CO3)8SO4(OH)16·25H2O |
| Qaqarssukite-(Ce) | — | 0.00 | BaCe(CO3)2F |
| Rémondite-(Ce) | — | 3.43 | Na3(Ce,La,Ca,Na,Sr)3(CO3)5 |
| Rémondite-(La) | — | 3.50 | Na3(La,Ce,Ca)3(CO3)5 |
| Rengeite | — | 4.12 | Sr4Ti4ZrO8(Si2O7)2 |
| Rogermitchellite | — | 0.00 | Na6(Sr,Na)12Ba2Zr13Si39(B,Si)6O123(OH)12·9H2O |
| Rudenkoite | — | 0.00 | Sr3Al3.5Si3.5O10(OH,O)8Cl2·H2O |
| Samuelsonite | — | 3.35 | Ca9Mn2+4Al2(PO4)10(OH)2 |
| Santafeite | — | 3.38 | (Ca,Sr,Na)3(Mn2+,Fe3+)2Mn4+2(VO4)4(OH,O)5·2H2O |
| Sazhinite-(La) | — | 0.00 | Na3LaSi6O15·2H2O |
| Seidite-(Ce) | — | 2.76 | Na4(Ce,Sr)2TiSi8O18(O,OH,F)6·5H2O |
| Slawsonite | — | 3.05 | SrAl2Si2O8 |
| Stenonite | — | 3.86 | Sr2Al(CO3)F5 |
| Stornesite-(Y) | — | 3.20 | Na6(Ca5Na3)YMg43(PO4)36 |
| Stronadelphite | — | 3.92 | Sr5(PO4)3F |
| Stronalsite | — | 2.95 | Na2SrAl4Si4O16 |
| Strontianite | — | 3.78 | SrCO3 |
| Strontio-orthojoaquinite | — | 3.62 | NaSr4Fe3+Ti2Si8O24(OH)4 |
| Strontioborite | — | 2.81 | SrB8O11(OH)4 |
| Strontiochevkinite | — | 5.44 | (Sr,Ce,La)4Fe2+(Ti,Zr)4O8(Si2O7)2 |
| Strontiodresserite | — | 2.71 | SrAl2(CO3)2(OH)4·H2O |
| Strontiofluorite | — | 4.11 | SrF2 |
| Strontioginorite | — | 2.25 | SrCaB14O20(OH)6·5H2O |
| Strontiohurlbutite | — | 3.10 | SrBe2(PO4)2 |
| Strontiojoaquinite | — | 3.68 | (Na,Fe)2Ba2Sr2Ti2(SiO3)8(O,OH)2·H2O |
| Strontiomelane | — | 4.66 | Sr(Mn4+6Mn3+2)O16 |
| Strontioperloffite | — | 0.00 | SrMn2+2Fe3+2(PO4)3(OH)3 |
| Strontiopharmacosiderite | — | 0.00 | Sr0.5Fe4[(AsO4)3(OH)4]·4H2O |
| Strontiopyrochlore | — | 3.80 | Sr0.6Nb2(O,OH)7 |
| Strontiowhitlockite | — | 3.64 | Sr9Mg(PO4)6(PO3OH) |
| Surkhobite | — | 3.84 | NaCaBa2Mn8Ti4O4(Si2O7)4(F5O) |
| Svanbergite | — | 3.22 | SrAl3(SO4)(PO4)(OH)6 |
| Taikanite | — | 4.72 | BaSr2Mn3+2O2(Si4O12) |
| Taniajacoite | — | 0.00 | SrCaMn3+2Si4O11(OH)4·2H2O |
| Taseqite | — | 3.24 | Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 |
| Tausonite | — | 4.88 | SrTiO3 |
| Thomsonite-Sr | — | 2.47 | NaSr2Al5Si5O20·6-7H2O |
| Tikhonenkovite | — | 3.26 | SrAlF4(OH)·H2O |
| Todorokite | — | 3.49 | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O |
| Tokyoite | — | 4.62 | Ba2Mn3+(VO4)2(OH) |
| Traskite | — | 3.71 | Ba21Ca(Fe2+,Mn,Ti)4(Ti,Fe,Mg)12(Si12O36)(Si2O7)6(O,OH)30Cl6·14H2O |
| Tschörtnerite | — | 2.10 | Ca4(K,Ca,Sr,Ba)3Cu3Al12Si12O48(OH)8·20H2O |
| Tsepinite-Ca | — | 2.73 | (Ca,K,Na)2-x(Ti,Nb)2Si4O12(OH,O)2·4H2O |
| Tsepinite-Na | — | 2.74 | (Na,H3O,K,Sr,Ba)12Ti8(Si4O12)4(OH,O)8·12-16H2O |
| Tsepinite-Sr | — | 2.67 | (Sr,Ba,K)(Ti,Nb)2Si4O12(OH,O)2·3H2O |
| Tunellite | — | 2.40 | SrB6O9(OH)2·3H2O |
| Tweddillite | — | 3.84 | CaSrMn3+2Al(Si2O7)(SiO4)O(OH) |
| Umbozerite | — | 3.60 | Na3Sr4ThSi8(O,OH)24 |
| Vanadoandrosite-(Ce) | — | 0.00 | Mn2+CeV3+AlMn2+O(Si2O7)(SiO4)(OH) |
| Veatchite | — | 2.62 | Sr2[B5O8(OH)]2B(OH)3·H2O |
| Veatchite-p | — | 2.60 | Sr2[B5O8(OH)]2B(OH)3·H2O |
| Vertumnite | — | 2.15 | Ca4Al4Si4O6(OH)24·3H2O |
| Vladykinite | — | 0.00 | Na3Sr4(Fe2+Fe3+)Si8O24 |
| Voronkovite | — | 2.97 | Na15(Na,Ca,Ce)3(Mn,Ca)3Fe3Zr3Si26O72(OH,O)4Cl·H2O |
| Weloganite | — | 3.22 | Na2Sr3Zr(CO3)6·3H2O |
| Wesselsite | — | 3.20 | SrCuSi4O10 |
| Yoshimuraite | — | 4.13 | Ba2Mn2+2Ti(Si2O7)(PO4)O(OH) |
| Yuksporite | — | 3.05 | K4(Ca,Na)14(Sr,Ba)2(Mn,Fe)(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3 |