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The Mineralogy of Strontium

General Properties
Symbol:Sr
Atomic Number:38
Standard atomic weight (Ar):87.62(1)
Electron configuration:[Kr] 5s2
Photos
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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
82Srsynthetic25.36dε82Rb
83Srsynthetic1.35dε83Rb
β+83Rb
84Sr0.56%-β+β+ ?84Kr
85Srsynthetic64.84dε85Rb
86Sr9.86%stable
87Sr7.0%stable
88Sr82.58%stable
89Srsynthetic50.52dε89Rb
β−89Y
90Srtrace28.90yβ−90Y
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
ChromophoreDescription
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, Vanadates20 valid mineral species
9. Silicates 39 valid mineral species
Total:95 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
Oxygen149 minerals with Sr and O98.03%28.65% higher
Hydrogen97 minerals with Sr and H63.82%18.91% higher
Sodium71 minerals with Sr and Na46.71%147.38% higher
Calcium70 minerals with Sr and Ca46.05%87.61% higher
Silicon67 minerals with Sr and Si44.08%59.17% higher
Aluminium45 minerals with Sr and Al29.61%49.47% higher
Iron35 minerals with Sr and Fe23.03%1.13% higher
Barium31 minerals with Sr and Ba20.39%340.69% higher
Titanium30 minerals with Sr and Ti19.74%186.61% higher
Fluorine29 minerals with Sr and F19.08%129.54% higher
Phosphorus28 minerals with Sr and P18.42%67.24% higher
Manganese25 minerals with Sr and Mn16.45%42.61% higher
Cerium23 minerals with Sr and Ce15.13%359.22% higher
Carbon23 minerals with Sr and C15.13%104.86% higher
Potassium20 minerals with Sr and K13.16%36.17% higher
Zirconium18 minerals with Sr and Zr11.84%392.09% higher
Magnesium16 minerals with Sr and Mg10.53%23.37% lower
Niobium14 minerals with Sr and Nb9.21%173.38% higher
Chlorine12 minerals with Sr and Cl7.89%5.04% higher
Lanthanum10 minerals with Sr and La6.58%286.30% higher
Boron8 minerals with Sr and B5.26%3.76% higher
Vanadium7 minerals with Sr and V4.61%11.56% higher
Sulfur6 minerals with Sr and S3.95%79.75% lower
Yttrium6 minerals with Sr and Y3.95%51.23% higher
Uranium5 minerals with Sr and U3.29%31.13% lower
Chromium5 minerals with Sr and Cr3.29%99.66% higher
Arsenic4 minerals with Sr and As2.63%76.85% lower
Lead4 minerals with Sr and Pb2.63%72.45% lower
Zinc4 minerals with Sr and Zn2.63%50.64% lower
Copper3 minerals with Sr and Cu1.97%84.20% lower
Tungsten3 minerals with Sr and W1.97%160.04% higher
Thorium2 minerals with Sr and Th1.32%48.08% higher
Lithium1 mineral with Sr and Li0.66%70.63% lower
Beryllium1 mineral with Sr and Be0.66%70.38% 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
CelestineSrSO4Orthorhombic1143
StrontianiteSrCO3Orthorhombic565
GoyaziteSrAl3(PO4)(PO3OH)(OH)6Trigonal152
Ancylite-(Ce)CeSr(CO3)2(OH) · H2OOrthorhombic96
SvanbergiteSrAl3(PO4)(SO4)(OH)6Trigonal91
Lamprophyllite(Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2Monoclinic70
Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5Hexagonal43
CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trigonal29
Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2Orthorhombic22
ArsenogoyaziteSrAl3(AsO4)(AsO3OH)(OH)6Trigonal20
Photos

Localities with greatest number of different Strontium mineral species
map should go here
1Poudrette 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
2Itoigawa City, Niigata Prefecture, Chubu Region, Honshu Island, Japan13 Sr minerals
3Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese field, Northern Cape Province, South Africa9 Sr minerals
4Pilanesberg Alkaline Complex, Western Bushveld Complex, Bojanala Platinum District, North West Province, South Africa8 Sr minerals
5Cerro Sapo, Ayopaya Province, Cochabamba Department, Bolivia8 Sr minerals
6Ivigtut Cryolite deposit, Ivittuut (Ivigtut), Arsuk Fjord, Sermersooq, Greenland7 Sr minerals
7Kirovskii apatite mine (Kirovsky Mine; Kirovskii Mine; Kirov Mine), Kukisvumchorr Mt, Khibiny Massif, Murmanskaya Oblast', Northern Region, Russia7 Sr minerals
8Koashva Open Pit (Vostochnyi Mine), Koashva Mt, Khibiny Massif, Murmanskaya Oblast', Northern Region, Russia7 Sr minerals


Important ores of Strontium
NameFormulaCrystal System
CelestineSrSO4Orthorhombic
StrontianiteSrCO3Orthorhombic
Photos


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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