Hatrurite Mineral Data

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

Environment:

In a high-temperature contact metamorphic assemblage in a larnite-brownmillerite-mayenite rock, probably derived from fine-grained sediments.

IMA Status:

Approved IMA 1977

Locality:

In the Hatrurim Formation, Israel. The Hatrurim Formation is composed of a type of natural portland cement formed by high-temperature alteration of late Cretaceous to lower Eocene bitu Link to MinDat.org Location Data.

Name Origin:

Named for the Hatrurim Formation in Israel.

Name Pronunciation:

Hatrurite + Pronunciation

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 Pyramidal H-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),

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:

Bulk Density (Electron Density)=3.02 gm/cc
note: Specific Gravity of Hatrurite =3.02 gm/cc.

Fermion Index:

Fermion Index = 0.006623732
Boson Index = 0.993376268

Photoelectric:

PE_Hatrurite= 6.92 barns/electron
U=PE_Hatrurite x rElectron Density= 20.87 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hatrurite is Not Radioactive

Hatrurite Classification

Dana Class:

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

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

(52.04.07)Afwillite and related species

52.04.07.01 Afwillite Ca3Si2O4(OH)6 P 2₁ 2

52.04.07.02 Bultfonteinite Ca2SiO2(OH,F)4 P1 1

52.04.07.03 Hatrurite Ca3SiO5 R 3m 3m

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

Strunz Class:

09.AG.65 09 - SILICATES (Germanates)

09.A - Nesosilicates

09.AG -Nesosilicates with additional anions; cations in > [6] ï¿½ [6] coordination

09.AG.65 Hatrurite Ca3SiO5 R 3m 3m

Other Hatrurite Information

References:

NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Hatrurite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Hatrurite Specimen Label here :

Hatrurite

Ca3SiO5
Dana No: 52.04.07.03 Strunz No: 09.AG.65
Locality:

Notes:

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