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Browse by Chemical Composition
Chemical CompositionSpeciesSpecific Gravity
(BaAl2(CO3)2(OH)4·H2O)Dresserite2.96
(BaNa4Ti2B2Si10O30)Leucosphenite3.1
(BaSO4)Barite4.48
(CaCO3)Calcite2.7
(CaF2)Fluorite3.3
(CaMg(CO3)2)Dolomite2.8
((Ca,Na2,K2)5Al10Si38O96 Dachiardite 
(Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4)Vesuvianite3
(Ca3Fe23+Si3O12)Andradite3.86
(Ca(Y,Ce)(CO3)2F)Synchysite-(Y)3
(FeAsS)Arsenopyrite6.2
(FeS2)Marcasite4.8
(FeS2)Pyrite5
(Fe2+CO3)Siderite3.7 - 3.9
(KAlSi3O8)Microcline2.54-2.57
(K(Ca,Ce)6Si8O22(OH,F)2)Miserite2.8
(KLi2AlSi4O10(F,OH)2)Polylithonite2.8
(K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2)Biotite2.8
(KNa2Li(Mn2+,Fe2+)2Ti2Si8O24)Mangan-neptunite3.23
((K,Na)3(Fe2+,Mn)7Ti2Si8O24(O,OH)7)Astrophyllite3.3-3.4
(KNa4Ca4Si8O18(CO3)4(OH,F)·H2O)Carletonite2.45
(MnCO3)Rhodochrosite3.4-3.6
(NaAl(CO3 )(OH)2)Dawsonite2.45
(NaAlSi2O6·H2O)Analcime2.27
(NaAlSi3O8)Albite2.62
(NaBeSi3O7(OH))Epididymite2.55
((Na,Ca,K)(Nb,Ti)Si2O6(O,OH)·2H2O)Nenadkevichite2.86
(NaCa2Si3O8(OH))Pectolite2.89
((Na,Ca)3(Sr,Ba,Ce)3(CO3)5)Burbankite3
(NaF)Villiaumite2.8
(NaFe3+Si2O6)Aegerine3.4-3.55
((Na,K)AlSiO4)Nephaline2.56-2.66
(Na(Mn2+,Ca)2Si3O8(OH))Serandite3.32
(Na2-3(Fe2+,Mg,Al)5Si8O22(OH,F)2)Arfvedsonite3.5
(Na2Al2Si3O10·2H2O)Natrolite2.20-2.26
((Na2,Ca,K2)4-5Al8Si40O96 Sodium-dachiardite 
(Na2Nb4O11·H2O)Franconite2.71
(Na2(Si,Al,Be)7(O,OH,F)14)Leifite2.5
(Na2(Ti,Fe3+)Si4(O,F)11)Narsarsukite2.78
(Na2ZrSi3O9·2H2O)Catapleiite2.8
(Na2ZrSi3O9·3H2O)Hilairite2.7
(Na2ZrSi6O15·3H2O)Elpidite2.5
(Na3AlF6)Cryolite2.95
(Na4(Ca,Ce)2(Fe2+,Mn2+,Y)ZrSi8O22(OH,Cl)2)Eudialyte2.9-3.0
(Na4Mn14O27 Birnessite 
(Na8Al6Si6O24Cl2)Sodalite2.3
(PbS)Galena7.6 (heavy)
(SiO2)Quartz2.6
(SrCO3)Strontianite3.7
((Sr,Ca)Al2(CO3)2(OH)4 Strontiodresserite 
(SrCe(CO3)2(OH)·H2O)Ancylite-(Ce)3.9
(SrSO4)Celestite 
(Sr3NaCaY(CO3)6 Donnayite-(Y) 
(Sr3 Na2Zr(CO3)6·3H2O)Weloganite3.2
(TiO2)Anatase3.9
(TiO2)Brookite4.1
((Zn,Fe)S)Sphalerite4.2
(Zn4Be3(SiO4)3S)Genthelvite3.7
(ZrSiO4)Zircon3.9-4.8







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