Table 2: The physical and chemical properties of the common minerals.

Mineral

Chemical Formula

Molecular mass

ρb(g/cc)

U(b/cc)

Quartz

SiO2

60.08

2.65

4.79

Albite

Na[AlSi3O8]

262.14

2.63

4.50

Orthoclase

K[AlSi3O8]

278.34

2.55

7.50

Anorthite

Ca[Al2Si2O8]

278.21

2.76

8.80

Diopside

CaMgSi2O6

216.56

3.22-3.56

8.37

Augite

Ca(Mg,Fe,Al)(Al,Si)2O6

302.06

3.31

8.46

Fayalite

Fe2[SiO4]

203.79

3.91-4.34

23.00

Muscovite

KAl3Si3O10(OH)2

398.31

2.82

7.40

Biotite

K(Mg,Fe)3[AlSi3O10](OH.F)2

511.90

3.01

19.80

Calcite

CaCO3

100.09

2.71

13.77

Dolomite

CaCO3MgCO3

184.41

2.87

9.00

Ankerite

Ca(Mg,Fe)(CO3)2

240.25

2.86

26.60

Siderite

FeCO3

115.86

3.89

57.14

Magnetite

Fe3O4

231.54

5.08

112.98

Hematite

Fe2O3

159.69

5.18

111.27

Anhydrite

CaSO4

136.15

2.98

14.93

Gypsum

Ca[SO4]·2H2O

172.18

2.32

18.38

Salt

NaCl

58.35

2.17

12.40

Barite

Ba[SO4]

233.37

4.4-4.7

1091.00

Pyrite

FeS2

119.99

4.99

84.68

Pyrrhotine

Fe7S8

647.41

4.53

93.09

Sphalerite

ZnS

97.44

3.85

133.52

Galena

PbS

239.26

6.39

10424.00

chalcopyrite

CuFeS2

183.51

4.07

108.75

Kaolinite

Al2Si2O5(OH)4

258.16

2.96

6.17

Chlorite

Y3[Z4O10](OH)2·Y3(OH)6

 

3.39

23.49

Illite

(Al, R2+)2[(Si,Al) Si3O10][OH]2 ·nH2O

 

2.90

11.05

Montmorllionite

Al4SiO20(OH)4·nH2O

 

2.88

7.48

Note: 1) The Y denotes the Mg2+, Fe2+, Al3+ and Fe3+ in the Chlorite chemical formula; the R2+ denotes the Mg2+ and Fe2+ in the Illite chemical formula.

2) The data collection from published literatures and Wikimedia website.