Hatrurite Mineral Data

Hatrurite Mineral Data +

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General Hatrurite Information

Chemical Formula:

Ca3SiO5

Composition:

Molecular Weight = 228.32 gm

Calcium 52.66 % Ca 73.68 % CaO

Silicon 12.30 % Si 26.32 % SiO₂

Oxygen 35.04 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Ca₃SiO₅

IMA Status:

Approved IMA 1977

Locality:

Link to MinDat.org Location Data.

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Hatrurite Crystallography

Axial Ratios:

a:c = 1:3.57482

Cell Dimensions:

a = 7.15, c = 25.56, Z = 9; V = 1,131.63 Den(Calc)= 3.02

Crystal System:

Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.649(1), 2.787(1), 3.07(0.9),

Crystal Structure:

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O Daniel H , Hellner E , Neues Jahrbuch fur Mineralogie, Monatshefte , 1950 (1950) p.108-111, Zur struktur von 3CaO*SiO2

View Additional jPOWD Structure files for Hatrurite
[1]

Physical Properties of Hatrurite

Color:

Brownish red, Colorless.

Density:

3.02

Hardness:

6 - Orthoclase

Streak:

white

Optical Properties of Hatrurite

Optical Data:

NCalc= 1.63 - from Gladstone-Dale relationship (KC = 0.2095) where Ncalc=Dcalc*KC+1
NCalc= 1.63 - from Gladstone-Dale relationship (KC = 0.2095) where Ncalc=Dmeas*KC+1

Calculated Properties of Hatrurite

Electron Density:

r_electron=3.02 gm/cc
note: r_Hatrurite=3.02 gm/cc.

Fermion Index

Fermion Index = 0.00662
Boson Index = 0.99338

Photoelectric:

PE_Hatrurite= 6.92 barns/electron
U=PE_Hatrurite x r_electron= 20.87 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Hatrurite is Not Radioactive

Hatrurite Classification

Dana Class:

52.4.7.3 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O

(52.4)with cations in [6] and/or > [6] coordination

(52.4.7)Afwillite and related species

52.4.7.1 Afwillite Ca3Si2O4(OH)6 P 2₁ 2

52.4.7.2 Bultfonteinite Ca2SiO2(OH,F)4 P1 1

52.4.7.3 Hatrurite Ca3SiO5 R 3m 3m

52.4.7.4 Jasmundite Ca11(SiO4)4O2S I 42m 4 2m

Strunz Class:

VIII/B.22-10 VIII - Silicates

VIII/B - Nesosubsilicates, with anions unfamiliar to tetraheders, cationes with coordinationnumber between [8] and [12]

VIII/B.22 - Thaumasite series

VIII/B.22-10 Hatrurite Ca3SiO5 R 3m 3m

VIII/B.22-25 Poldervaartite (Ca,Mn)2SiO3(OH)2 P bca 2/m 2/m 2/m

VIII/B.22-30 Afwillite Ca3Si2O4(OH)6 P 2₁ 2

VIII/B.22-40 Bultfonteinite Ca2SiO2(OH,F)4 P1 1

VIII/B.22-50 Spurrite Ca5(SiO4)2(CO3) P 2₁/a 2/m

VIII/B.22-60 Paraspurrite Ca5(SiO4)2(CO3) P 2₁/a 2/m

VIII/B.22-65 Ternesite! Ca5(SiO4)2SO4 P nma 2/m 2/m 2/m

VIII/B.22-70 Nagelschmidtite Ca7(SiO4)3(PO4)2 Unk Hex

VIII/B.22-75 Harrisonite! Ca(Fe,Mg)6(PO4)2(SiO4)2 R 3m 3 2/m

VIII/B.22-80 Fukalite Ca4Si2O6(CO3)(OH,F)2 Unk Ortho

VIII/B.22-90 Thaumasite Ca3Si(CO3)(SO4)(OH)6·12(H2O) P 6₃/m 6/m

VIII/B.22-100 Chelyabinskite* (Ca,Mg)3Si(OH)6(SO4,CO3)2·9(H2O) Unk Ortho

Other Hatrurite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

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Hatrurite

Ca3SiO5
Dana No: 52.4.7.3 Strunz No: VIII/B.22-10
Locality:

Notes: