Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Monteregianite-(Y)

Big Photo

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
© Stephan Wolfsried

Show Monteregianite-(Y) Photos (19)
Formula:
(Na,K)
 
6
(Y,Ca)
 
2
Si
 
16
O
 
38
·10H
 
2
O
Hardness:3½
Name:After the type locality at the Poudrette Quarry, Mont Saint-Hilaire (one of the Monteregian Hills), Rouville Co., Québec, Canada.


Monteregianite-(Y)-Wickenburgite Series.

Classification of Monteregianite-(Y)

IMA status:Approved
Strunz 8th edition ID:8/H.38-10
Nickel-Strunz 10th (pending) edition ID:9.EB.15

9 : SILICATES (Germanates)
E : Phyllosilicates
B : Double nets with 4- and 6-membered rings
Dana 8th edition ID:72.5.1.2

72 : PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
5 : Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with corrugated and complex layers
Hey's CIM Ref.:14.8.7

14 : Silicates not Containing Aluminum
8 : Silicates of Group III metals other than Al
mindat.org URL:http://www.mindat.org/min-2765.html
Please feel free to link to this page.

Type Occurrence of Monteregianite-(Y)

Type Locality:Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

Physical Properties of Monteregianite-(Y)

Hardness (Mohs):3½

Optical Data of Monteregianite-(Y)

Type:Biaxial (+)
RI values: nα = 1.510 nβ = 1.513 nγ = 1.517
Maximum Birefringence:δ = 0.007

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:none

Chemical Properties of Monteregianite-(Y)

Formula:
(Na,K)
 
6
(Y,Ca)
 
2
Si
 
16
O
 
38
·10H
 
2
O
Essential elements:H, Na, O, Si, Y
All elements listed in formula:Ca, H, K, Na, O, Si, Y

Relationship of Monteregianite-(Y) to other Species

Series:Forms a series with Wickenburgite (see here)
Related Minerals - Nickel-Strunz Grouping):

- +
9.EB.05Macdonaldite
BaCa
 
4
Si
 
16
O
 
36
(OH)
 
2
·10H
 
2
O
9.EB.05Rhodesite
KHCa
 
2
Si
 
8
O
 
19
·5H
 
2
O
9.EB.10Delhayelite
(Na,K)
 
10
Ca
 
5
Al
 
6
Si
 
32
O
 
80
(Cl
 
2
,F
 
2
,SO
 
4
)
 
3
·18H
 
2
O
9.EB.10Hydrodelhayelite
KCa
 
2
AlSi
 
7
O
 
17
(OH)
 
2
·6H
 
2
O
9.EB.20Carletonite
KNa
 
4
Ca
 
4
Si
 
8
O
 
18
(CO
 
3
)
 
4
(OH,F)·H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
14.8.1Thalénite-(Y)
Y
 
3
Si
 
3
O
 
10
(OH)
14.8.2Keiviite-(Y)
(Y,Yb)
 
2
[Si
 
2
O
 
7
]
14.8.3Keiviite-(Yb)
(Yb,Y)
 
2
[Si
 
2
O
 
7
]
14.8.4Tombarthite-(Y)
Y
 
4
[HSiO
 
4
]
 
3
14.8.5Thortveitite
(Sc,Y)
 
2
[Si
 
2
O
 
7
]
14.8.6Sazhinite-(Ce)
Na
 
3
Ce[Si
 
6
O
 
15
] · 6H
 
2
O
14.8.8Iraqite-(La)
K(Ca,Na)
 
2
(La,Ce,Th)[(Si,Al)
 
8
O
 
20
]
14.8.9Ashcroftine-(Y)
K
 
5
Na
 
5
(Y,Ca)
 
12
Si
 
28
O
 
70
(OH)
 
2
(CO
 
3
)
 
8
·8H
 
2
O
14.8.10Nordite-(La)
(La,Ce)(Sr,Ca)Na
 
2
(Na,Mn)(Zn,Mg)Si
 
6
O
 
17
14.8.11Nordite-(Ce)
(Ce,La)(Sr,Ca)Na
 
2
(Na,Mn)(Zn,Mg)Si
 
6
O
 
17
14.8.12Jervisite
(Na,Ca,Fe
2+
 
)(Sc,Mg,Fe
2+
 
)[Si
 
2
O
 
6
]
14.8.13Cerite-(Ce)
(Ce,Ca)
 
9
(Fe,Mg)(SiO
 
4
)
 
3
[SiO
 
3
(OH)]
 
4
(OH)
 
3
14.8.14Cascandite
Ca(Sc,Fe
3+
 
)[HSi
 
3
O
 
9
]

Other Names for Monteregianite-(Y)

Synonyms:
IMA1972-026Unnamed (MSH UK-6)
Other Languages:
Russian:Монтереджианит-(Y)

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 Monteregianite-(Y)

Reference List:American Mineralogist (1980):65: 207.

American Mineralogist (1987): 72: 365-374.

Mineralogical Record (1990): 21: 323.

Internet Links for Monteregianite-(Y)

Search Engines:
  • Look for Monteregianite-(Y) on Google
  • Look for Monteregianite-(Y) images on Google
    • External Links:
  • Look for Monteregianite-(Y) on Webmineral
  • Look for Monteregianite-(Y) on Athena Mineralogy
  • Look for Monteregianite-(Y) on Wikipedia
  • Look for Monteregianite-(Y) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Monteregianite-(Y) in the Natural History Museum (London) online catalogue
  • Monteregianite-(Y) details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • SpiriferMinerals.com - high quality specimens
  • Wendel Minerals - Auktion & Shop
  • Lapis Mineral Magazin
  • Buy Minerals and Crystals from Crystalarium.com
  • Fine Minerals from Dan Weinrich Minerals
  • Top quality minerals from Kristalle of California
  • The Arkenstone - Fine Minerals
  • Search for - Monteregianite-(Y) - on e-Rocks Mineral Sales & Auctions
  • Buy minerals from Mineralium.com
  • Buy from David K Joyce minerals
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Rare and Unusual minerals at Mineralogical Research Company
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

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

    Localities for Monteregianite-(Y)

    Hide Locality List
    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (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.
    Canada
     
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		Chao G.Y. (1978), Monteregianite, a new hydrous sodium potassium yttrium silicate mineral from Mont St-Hilaire, Quebec. Canadian Mineralogist: 16: 561-565.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 14th Nov 2009 12:08:17