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Hatrurite

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Formula:
Ca
 
3
(SiO
 
4
)O
System:TrigonalColour:grey-white, colourless
Hardness:6
Name:Name for the type locality, the Hatrurim Formation.


An important phase in cement clinker (Alite, C3S).

Seven polymorphs of Ca3SiO5 are known; some are stabilised by impurities.

Classification of Hatrurite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/B.22-10
Nickel-Strunz 10th (pending) edition ID:9.AG.65

9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination
Dana 8th edition ID:52.4.7.3

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
4 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Hey's CIM Ref.:14.5.8

14 : Silicates not Containing Aluminum
5 : Silicates of Ca
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Type Occurrence of Hatrurite

Type Locality:Hatrurim Formation, Negev, Israel
Year of Discovery:1977

Physical Properties of Hatrurite

Colour:grey-white, colourless
Streak:white
Hardness (Mohs):6

Crystallography of Hatrurite

Crystal System:Trigonal
Cell Parameters:a = 7.15Å, c = 25.56Å
Ratio:a:c = 1 : 3.575
Unit Cell Volume:V 1,131.63 ų (Calculated from Unit Cell)

Chemical Properties of Hatrurite

Formula:
Ca
 
3
(SiO
 
4
)O
Essential elements:Ca, O, Si
All elements listed in formula:Ca, O, Si
Common Impurities:Ti,Al,Fe,Mg

Relationship of Hatrurite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.AG.05Abswurmbachite
CuMn
3+
6
(SiO
 
4
)O
 
8
9.AG.05Braunite
Mn
2+
 
Mn
3+
6
(SiO
 
4
)O
 
8
9.AG.05Neltnerite
CaMn
3+
6
(SiO
 
4
)O
 
8
9.AG.05Braunite-II
CaMn
3+
14
(SiO
 
4
)O
 
20
9.AG.10Långbanite
(Mn
2+
 
,Ca)
 
4
(Mn
3+
 
,Fe
3+
 
)
 
9
Sb
5+
 
(SiO
 
4
)
 
2
O
 
16
9.AG.15Malayaite
CaSn(SiO
 
4
)O
9.AG.15Titanite
CaTi(SiO
 
4
)O
9.AG.15Vanadomalayaite
CaV
4+
 
(SiO
 
4
)O
9.AG.20Cerite-(Ce)
(Ce,Ca)
 
9
(Fe,Mg)(SiO
 
4
)
 
3
(HSiO
 
4
)
 
4
(OH)
 
3
9.AG.20Cerite-(La)
(La,Ce,Ca)
 
9
(Fe,Ca,Mg)(SiO
 
4
)
 
3
(HSiO
 
4
)
 
4
(OH)
 
3
9.AG.20Aluminocerite-(Ce)
(Ce,La,Ca)
 
9
(Al,Fe
3+
 
)(SiO
 
4
)
 
3
(HSiO
 
4
)
 
4
(OH)
 
3
9.AG.25Trimounsite-(Y)
Y
 
2
Ti
 
2
(SiO
 
4
)O
 
5
9.AG.25Yftisite-(Y)
(Y,Dy,Er)
 
4
(Ti,Sn)(SiO
 
4
)
 
2
O(F,OH)
 
6
9.AG.30Sitinakite
KNa
 
2
Ti
 
4
(SiO
 
4
)
 
2
O
 
5
(OH) · 4H
 
2
O
9.AG.35Kittatinnyite
Ca
 
2
Mn
 
2
Mn(SiO
 
4
)
 
2
(OH)
 
4
 · 9H
 
2
O
9.AG.40aNatisite
Na
 
2
Ti(SiO
 
4
)O
9.AG.40bParanatisite
Na
 
2
Ti(SiO
 
4
)O
9.AG.45Törnebohmite-(Ce)
(Ce,La)
 
2
Al(SiO
 
4
)
 
2
(OH)
9.AG.45Törnebohmite-(La)
(La,Ce)
 
2
Al(SiO
 
4
)
 
2
(OH)
9.AG.50Kuliokite-(Y)
Y
 
4
Al(SiO
 
4
)
 
2
(OH)
 
2
F
 
5
9.AG.55Chantalite
CaAl
 
2
(SiO
 
4
)(OH)
 
4
9.AG.60Mozartite
CaMn
3+
 
(SiO
 
4
)(OH)
9.AG.60Vuagnatite
CaAl(SiO
 
4
)(OH)
9.AG.70Jasmundite
Ca
 
11
(SiO
 
4
)
 
4
O
 
2
S
9.AG.75Afwillite
Ca
 
3
(HSiO
 
4
)
 
2
 · 2H
 
2
O
9.AG.80Bultfonteinite
Ca
 
2
(HSiO
 
4
)F · H
 
2
O
9.AG.85Zoltaiite
BaV
4+
2
V
3+
12
(SiO
 
4
)
 
2
O
 
19
9.AG.90Tranquillityite
(Fe
2+
 
,Ca)
 
8
(Zr,Y)
 
2
Ti
 
3
(SiO
 
4
)
 
3
O
 
4
Related Minerals - Hey's Index Grouping:

- +
14.5.1Wollastonite
CaSiO
 
3
14.5.2Wollastonite-7T
14.5.3Wollastonite-2M
CaSiO
 
3
14.5.4Rankinite
Ca
 
3
Si
 
2
O
 
7
14.5.5Kilchoanite
Ca
 
3
Si
 
2
O
 
7
14.5.6Larnite
Ca
 
2
SiO
 
4
14.5.7Bredigite
Ca
 
7
Mg(SiO
 
4
)
 
4
14.5.9Rosenhahnite
HCa
 
3
[Si
 
3
O
 
9
(OH)]
14.5.10Dellaite
Ca
 
6
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
2
14.5.11Afwillite
Ca
 
3
(HSiO
 
4
)
 
2
 · 2H
 
2
O
14.5.12Xonotlite
Ca
 
6
(Si
 
6
O
 
17
)(OH)
 
2
14.5.13Foshagite
Ca
 
4
(Si
 
3
O
 
9
)(OH)
 
2
14.5.14Hillebrandite
Ca
 
2
(SiO
 
3
)(OH)
 
2
14.5.15Jaffeite
Ca
 
6
(Si
 
2
O
 
7
)(OH)
 
6
14.5.16Suolunite
Ca
 
2
(H
 
2
Si
 
2
O
 
7
) · H
 
2
O
14.5.17Killalaite
Ca
 
3
(Si
 
2
O
 
7
) · 0.5H
 
2
O
14.5.18Okenite
CaSi
 
2
O
 
5
 · 2H
 
2
O
14.5.19Riversideite
Ca
 
5
(HSi
 
3
O
 
9
)
 
2
 · 2H
 
2
O
14.5.20Trabzonite
Ca
 
4
(Si
 
3
O
 
10
) · 2H
 
2
O
14.5.21Gyrolite
Ca
 
4
(Si
 
6
O
 
15
)(OH)
 
2
 · 3H
 
2
O
14.5.22Foshallasite
Ca
 
3
[Si
 
2
O
 
7
] · 3H
 
2
O(?)
14.5.23Tobermorite
Ca
 
4+x
(H
 
2-2x
Si
 
6
O
 
17
) · 5H
 
2
O
14.5.24Clinotobermorite
Ca
 
5
(Si
 
6
O
 
17
) · 5H
 
2
O
14.5.25Nekoite
Ca
 
3
Si
 
6
O
 
15
·7H
 
2
O
14.5.26Plombièrite
Ca
 
5
(HSi
 
3
O
 
9
)
 
2
 · 7H
 
2
O
14.5.27Jennite
Ca
 
9
(Si
 
3
O
 
9
)
 
2
(OH)
 
8
 · 8H
 
2
O

Other Names for Hatrurite

Synonyms:
Alite (of Törnebohm)JaeneckéiteJãneckeite
Other Languages:
German:Alith
Hatrurit
Jaeneckéit
Jãneckeit
Japanese:ハトルリム石
Spanish:Hatrurita
Jaeneckéita
Jãneckeita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Hatrurite

Reference List:

- +
American Mineralogist: 63: 425.

Internet Links for Hatrurite

Search Engines:
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    • External Links:
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  • Look for Hatrurite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Hatrurite details from Handbook of Mineralogy (PDF)
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    • Localities for Hatrurite

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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Israel
     
    • Negev
    		Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
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