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The Mineralogy of Strontium

General Properties
Atomic Number:38
Standard atomic weight (Ar):87.62(1)
Electron configuration:[Kr] 5s2
Strontium destilled crystals
Atomic Properties
Electronegativity (Pauling scale):0.95
Atomic Radius:219 pm
Ionic Radius:118 pm (+2)
1st Ionization energy:550 kJ/mol
1st Electron affinity:-5 kJ/mol
Oxidation States:2
Physical Properties
Standard State:solid
Bonding Type:metallic
Melting Point:1050 K
Boiling Point:1655 K
Density:2.63 g/cm3
Metal/Non-Metal:alkaline earth metal
Main isotopes of Strontium
Isotope% in NatureHalf LifeDecay typeDecay product
84Sr0.56%-β+β+ ?84Kr
Main ions of Strontium
NameIonExample minerals
strontiumSr2+Celestine, Strontianite
Other Information
Year Discovered:1787
Discovered By:
William Cruickshank
Year Isolated:1808
Isolated By:
Humphry Davy
Named For:
Named after mineral Strontianite
CPK color coding:#00FF00
External Links:WikipediaWebElementsLos Alamos National LaboratoryTheodore Gray's PeriodicTable.com
Simple Compounds and Mineral Names
Sulfidesstrontium sulphideSrS+2
Selenidesstrontium selenideSrSe+2
Hydridesstrontium dihydrideSrH2+2
Fluoridesstrontium difluorideSrF2+2Strontiofluorite
Chloridesstrontium dichlorideSrCl2+2
Iodidesstrontium diiodideSrI2+2
Oxidesstrontium oxideSrO+2
strontium peroxideSrO2+2
Carbonatesstrontium carbonateSrCO3+2Strontianite
Nitratesstrontium nitrateSr(NO3)2+2
Sulfatesstrontium sulfateSrSO`4+2Celestine
Strontium as a chromophore in minerals and gems
Sr2+Strontium substitution produces a unique violet tint in turquoise.
Mineral Diversity of Strontium
3. Halides10 valid mineral species
4. Oxides 7 valid mineral species
5. Carbonates 12 valid mineral species
6. Borates5 valid mineral species
7. Sulfates 2 valid mineral species
8. Phosphates, Arsenates, Vanadates21 valid mineral species
9. Silicates 39 valid mineral species
Total:96 valid species containing essential Strontium
Geochemistry of Strontium
Goldschmidt classification:Lithophile
Elemental Abundance for Strontium
Crust (CRC Handbook)3.70 x 10-4mass fraction, kg/kg
Crust (Kaye & Laby)4.5 x 10-4mass fraction, kg/kg
Crust (Greenwood)3.84 x 10-4mass fraction, kg/kg
Crust (Ahrens/Taylor)2.60 x 10-4mass fraction, kg/kg
Crust (Ahrens/Wänke)2.93 x 10-4mass fraction, kg/kg
Crust (Ahrens/Weaver)5.03 x 10-4mass fraction, kg/kg
Upper Crust (Ahrens/Taylor)3.50 x 10-4mass fraction, kg/kg
Upper Crust (Ahrens/Shaw)3.16 x 10-4mass fraction, kg/kg
Sea Water (CRC Handbook)7.9 x 10-6mass per volume fraction, kg/L
Sea Water (Kaye & Laby)8.1 x 10-6mass per volume fraction, kg/L
The Sun (Kaye & Laby)2.2 x 10-5atom mole fraction relative to Si=1
Solar System (Kaye & Laby)2.4 x 10-5atom mole fraction relative to Si=1
Solar System (Ahrens)2.35 x 10-5 (8.1%)atom mole fraction relative to Si=1 (% uncertainty)
Element association of Strontium in the Mineral World
This table compares the known valid mineral species listed listed with Strontium and the other elements listed based on the official IMA formula. Note that unlike other sections on this page this includes non-essential elements.

The first data column contains the total number of minerals listed with Strontium and the element listed for that row.

The second data column lists this number as a percentage of all minerals listed with Strontium.

The final data column compares this percentage against the percentage of all minerals that contain the element listed in each row.

Click on a heading to sort.
ElementValid Minerals listed with element and Strontium% of Sr mineralsRelative to % in all minerals
Oxygen419 minerals with Sr and O97.44%21.99% higher
Hydrogen269 minerals with Sr and H62.56%12.30% higher
Sodium205 minerals with Sr and Na47.67%149.67% higher
Silicon191 minerals with Sr and Si44.42%57.60% higher
Calcium176 minerals with Sr and Ca40.93%67.94% higher
Aluminium121 minerals with Sr and Al28.14%40.36% higher
Iron97 minerals with Sr and Fe22.56%3.19% higher
Titanium86 minerals with Sr and Ti20.00%192.60% higher
Fluorine81 minerals with Sr and F18.84%142.44% higher
Phosphorus78 minerals with Sr and P18.14%55.15% higher
Barium73 minerals with Sr and Ba16.98%272.06% higher
Manganese67 minerals with Sr and Mn15.58%41.24% higher
Carbon65 minerals with Sr and C15.12%95.01% higher
Cerium61 minerals with Sr and Ce14.19%383.83% higher
Potassium52 minerals with Sr and K12.09%29.14% higher
Zirconium50 minerals with Sr and Zr11.63%407.63% higher
Magnesium36 minerals with Sr and Mg8.37%36.37% lower
Niobium36 minerals with Sr and Nb8.37%183.77% higher
Chlorine34 minerals with Sr and Cl7.91%7.07% higher
Lanthanum34 minerals with Sr and La7.91%595.94% higher
Boron24 minerals with Sr and B5.58%7.62% higher
Vanadium21 minerals with Sr and V4.88%9.22% higher
Sulfur18 minerals with Sr and S4.19%79.93% lower
Yttrium18 minerals with Sr and Y4.19%75.72% higher
Uranium13 minerals with Sr and U3.02%41.70% lower
Chromium13 minerals with Sr and Cr3.02%70.08% higher
Arsenic12 minerals with Sr and As2.79%77.13% lower
Lead10 minerals with Sr and Pb2.33%77.18% lower
Zinc10 minerals with Sr and Zn2.33%55.31% lower
Copper9 minerals with Sr and Cu2.09%84.00% lower
Tungsten7 minerals with Sr and W1.63%97.41% higher
Thorium6 minerals with Sr and Th1.40%95.24% higher
Lithium3 minerals with Sr and Li0.70%66.31% lower
Beryllium3 minerals with Sr and Be0.70%68.54% lower
Periodic Table
1H 2He
3Li 4Be 5B 6C 7N 8O 9F 10Ne
11Na 12Mg 13Al 14Si 15P 16S 17Cl 18Ar
19K 20Ca 21Sc 22Ti 23V 24Cr 25Mn 26Fe 27Co 28Ni 29Cu 30Zn 31Ga 32Ge 33As 34Se 35Br 36Kr
37Rb 38Sr 39Y 40Zr 41Nb 42Mo 43Tc 44Ru 45Rh 46Pd 47Ag 48Cd 49In 50Sn 51Sb 52Te 53I 54Xe
55Cs 56Ba 57La 72Hf 73Ta 74W 75Re 76Os 77Ir 78Pt 79Au 80Hg 81Tl 82Pb 83Bi 84Po 85At 86Rn
87Fr 88Ra 89Ac 104Rd 105Db 106Sg 107Bh 108Hs 109Mt 110Ds 111Rg 112Cn 113Nh 114Fl 115Mc 116Lv 117Ts 118Og
58Ce 59Pr 60Nd 61Pm 62Sm 63Eu 64Gd 65Tb 66Dy 67Ho 68Er 69Tm 70Yb 71Lu
90Th 91Pa 92U 93Np 94Pu 95Am 96Cm 97Bk 98Cf 99Es 100Fm 101Md 102No 103Lr
Default Categories CPK Electronegativity Atomic Radius Lowest Oxidation Highest Oxidation Crustal Abundance Goldschmidt Mineral Species Minerals with Sr Relative Frequency
Rubidium << Strontium >> Yttrium

Most widespread minerals containing Strontium
This list of minerals containing Strontium is built from the mindat.org locality database. This is based on the number of localities entered for mineral species and is therefore slanted towards minerals interesting to collectors with less coverage of common rock-forming-minerals so it does not give an undistorted distribution of Strontium mineral species. It is more useful when comparing rare species rather than common species.
NameFormulaCrystal SystemMindat Localities

Localities with greatest number of different Strontium mineral species
map should go here
2Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada14 Sr minerals
4Itoigawa City, Niigata, Japan13 Sr minerals
6Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape, South Africa9 Sr minerals
8Pilanesberg Alkaline Complex, Bojanala Platinum District, North West, South Africa8 Sr minerals

Important ores of Strontium
NameFormulaCrystal System

Spotted a mistake/omission? - These pages are a work in progress, so please send all comments/corrections to jolyon@mindat.org. Thank you.

Constants and physical property data from:

David R. Lide (ed.), CRC Handbook of Chemistry and Physics, 85th Edition. CRC Press. Boca Raton, Florida (2005).
Kaye and Laby Tables of Physical & Chemical Constants (2005). Section 3.1.3, Abundances of the elements
A. Earnshaw, N. Greenwood, Chemistry of the Elements, 2nd edition, Butterworth-Heinemann, (1997)
Thomas J. Ahrens (ed.), Global Earth Physics : A Handbook of Physical Constants, American Geophysical Union (1995)
L.B. Railsback, An Earth Scientist's Periodic Table of the Elements and Their Ions : Geology 31:9 p737-740 (2003)
Emsley, J. Nature's Building Blocks: An A-Z Guide to the Elements. New York: Oxford University Press (2001)
Mineral and/or Locality  
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