Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Pseudowollastonite

This page is currently not sponsored. Click here to sponsor this page.



Formula:
CaSiO
 
3
This formula only indicates the stoichiometry of the mineral. In order to reflect the structural units the mineral is composed of, the formula may also be written as Ca(Si3O9)0.33 or as Ca3(Si3O9).
Dimorph of:Wollastonite


An artificial high-temperature phase dimorphous with Wollastonite. Known in slags and cement.
The structure contains isolated trisilicate rings (Si3O9)6-.

Classification of Pseudowollastonite

Nickel-Strunz 10th (pending) edition ID:9.CA.20

9 : SILICATES (Germanates)
C : Cyclosilicates
A : [Si3O9]6- 3-membered single rings (dreier-Einfachringe), without insular complex anions
mindat.org URL:http://www.mindat.org/min-9535.html
Please feel free to link to this page.

Chemical Properties of Pseudowollastonite

Formula:
CaSiO
 
3


This formula only indicates the stoichiometry of the mineral. In order to reflect the structural units the mineral is composed of, the formula may also be written as Ca(Si3O9)0.33 or as Ca3(Si3O9).
Essential elements:Ca, O, Si
All elements listed in formula:Ca, O, Si

Relationship of Pseudowollastonite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.CA.05Bazirite
BaZr(Si
 
3
O
 
9
)
9.CA.05Benitoite
BaTi(Si
 
3
O
 
9
)
9.CA.05Pabstite
Ba(Sn,Ti)(Si
 
3
O
 
9
)
9.CA.10Wadeite
K
 
2
Zr(Si
 
3
O
 
9
)
9.CA.15Calciocatapleiite
CaZr(Si
 
3
O
 
9
) · 2H
 
2
O
9.CA.15Catapleiite
Na
 
2
Zr(Si
 
3
O
 
9
) · 2H
 
2
O
9.CA.25Margarosanite
Pb(Ca,Mn
2+
 
)
 
2
(Si
 
3
O
 
9
)
9.CA.25Walstromite
BaCa
 
2
(Si
 
3
O
 
9
)
9.CA.30Bobtraillite
(Na,Ca)
 
13
Sr
 
11
(Zr,Y,Nb)
 
14
(Si
 
3
O
 
9
)
 
10
(H
 
2
BSi
 
2
O
 
9
)
 
6
 · 12H
 
2
O

Other Names for Pseudowollastonite

Synonyms:
BourgeoisiteCyclowollastoniteß-Wollastonite
Other Languages:
German:Bourgeoisit
Pseudowollastonit
ß-Wollastonit
Russian:Псевдоволластонит
Spanish:Bourgeoisita
Cyclowollastonita
Pseudowollastonita
ß-Wollastonita

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 Pseudowollastonite

Reference List:

- +
Tolliday, J.M. (1959) The crystal structure of β-wollastonite. Nature: 182: 1012.

Fleischer, M. (1973), New mineral names. Cyclowollastonite: American Mineralogist: 58: 560.

American Mineralogist (1999): 84: 929.

Courtial, P., Téqui, C., and Richet, P. (2000) Thermodynamics of diopside, anorthite, pseudowollastonite, CaMgGeO4 olivine, and åkermanite up to near the melting point. Physics and Chemistry of Minerals: 27: 242-250.

Bouhifd, M.A., Gruener, G., Mysen, B.O., and Richet, P. (2002) Premelting and calcium mobility in gehlenite (Ca2Al2SiO7) and parawollastonite (CaSiO3). Physics and Chemistry of Minerals: 29: 655-662.

Internet Links for Pseudowollastonite

Search Engines:
  • Look for Pseudowollastonite on Google
  • Look for Pseudowollastonite images on Google
    • Mineral Dealers:
  • Fine Minerals from Weinrich Minerals, Inc.
  • By minerals from YourMineralCollection
  • Top quality minerals from Kristalle of California
  • Buy fine minerals and gemstones from Pala International
  • The Arkenstone - Fine Minerals
  • Search for - Pseudowollastonite - on e-Rocks Mineral Sales & Auctions
  • Buy from David K Joyce minerals
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Search for Pseudowollastonite from all mineral dealers at minfind.com
  • High-end worldwide specimens & outstanding customer service
  • Fabre Minerals - search for Pseudowollastonite specimens
  • Search for minerals at Heliodor
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Pseudowollastonite

    Hide Locality List
    (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.
    USA
     
    • California
      • Tulare Co.
        • Sequoia National Park
          • Kaweah River
            • South Fork Kaweah River
    		Wenk, H.R. (1969) Polymorphism of Wollastonite. Contributons to Mineralogy and Petrology: 22: 238-247; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 407.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 20th Jun 2011 02:34:55
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds