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

Silinaite

Formula:
NaLiSi
 
2
O
 
5
·2H
 
2
O
System:MonoclinicColour:Colourless, white
Hardness:4½
Name:The name is derived from its chemical composition: silicon (Si), lithium (Li) and sodium (Na).
This page provides mineralogical data about Silinaite.

Classification of Silinaite

IMA status:Approved 1990
Strunz 8th edition ID:8/G.05-05
Nickel-Strunz 10th (pending) edition ID:9.EF.20

9 : SILICATES (Germanates)
E : Phyllosilicates
F : Single nets with 6-membered rings, connected by M[4], M[8], etc.
Dana 8th edition ID:74.3.5.3

74 : PHYLLOSILICATES Modulated Layers
3 : Modulated Layers with joined strips
Hey's CIM Ref.:14.1.8

14 : Silicates not Containing Aluminum
1 : Silicates of the alkali metals
mindat.org URL:http://www.mindat.org/min-3661.html
Please feel free to link to this page.

Type Occurrence of Silinaite

Type Locality:Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
Year of Discovery:1991

Physical Properties of Silinaite

Lustre:Vitreous, Earthy
Diaphaneity (Transparency):Transparent, Opaque
Colour:Colourless, white
Hardness (Mohs):4½

Crystallography of Silinaite

Crystal System:Monoclinic
Cell Parameters:a = 5.06Å, b = 8.33Å, c = 14.38Å
β = 96.67°
Ratio:a:b:c = 0.607 : 1 : 1.726
Unit Cell Volume:V 602.01 ų (Calculated from Unit Cell)

Optical Data of Silinaite

Type:Biaxial (+)
RI values: nα = 1.515 nβ = 1.516 nγ = 1.518
2V:Measured: 64° to 71°, Calculated: 72°
Maximum Birefringence:δ = 0.003

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:relatively weak

Chemical Properties of Silinaite

Formula:
NaLiSi
 
2
O
 
5
·2H
 
2
O
Essential elements:H, Li, Na, O, Si
All elements listed in formula:H, Li, Na, O, Si
Common Impurities:Al,Ca

Relationship of Silinaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.EF.05Petalite
LiAlSi
 
4
O
 
10
9.EF.10Sanbornite
Ba
 
2
[Si
 
4
O
 
10
]
9.EF.15Searlesite
NaBSi
 
2
O
 
5
(OH)
 
2
9.EF.25Kanemite
NaHSi
 
2
O
 
4
(OH)
 
2
·2H
 
2
O
9.EF.30Yakovenchukite-(Y)
K
 
3
NaCaY
 
2
[Si
 
12
O
 
30
] · 4H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
14.1.1Natrosilite
Na
 
2
Si
 
2
O
 
5
14.1.2Ertixiite
Na
 
2
Si
 
4
O
 
9
14.1.3Revdite
Na
 
16
Si
 
16
O
 
27
(OH)
 
26
·28H
 
2
O
14.1.4Makatite
Na
 
2
Si
 
4
O
 
8
(OH)
 
2
·4H
 
2
O
14.1.5Magadiite
NaSi
 
7
O
 
13
(OH)
 
3
·3H
 
2
O
14.1.6Kenyaite
Na
 
2
Si
 
22
O
 
41
(OH)
 
8
·6H
 
2
O
14.1.7Grumantite
Na[Si
 
2
O
 
4
(OH)]·H
 
2
O

Other Names for Silinaite

Synonyms:
IMA1990-028Unnamed (MSH UK-81)
Other Languages:
German:Silinait
Russian:Силинаит
Spanish:Silinaita

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 Silinaite

Reference List:Canadian Mineralogist (1991), 29, 359-362.

New Minerals (1997), New Minerals 1990-1994.

Internet Links for Silinaite

Search Engines:
  • Look for Silinaite on Google
  • Look for Silinaite images on Google
    • External Links:
  • Look for Silinaite on Webmineral
  • Look for Silinaite on Athena Mineralogy
  • Look for Silinaite on Wikipedia
  • Look for Silinaite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Silinaite in the Natural History Museum (London) online catalogue
  • Silinaite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Buy Fine Minerals from mineralsweb.com
  • Buy RARE Minerals from Rocks of Africa
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Buy minerals from Mineralium.com
  • Buy fine minerals and gemstones from Pala International
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Search for - Silinaite - on e-Rocks Mineral Sales & Auctions
  • Top quality minerals from Kristalle of California
  • Lapis Mineral Magazin
  • The Arkenstone - Fine Minerals
  • Fabre Minerals - search for Silinaite specimens
  • 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 Silinaite

    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., Grice, J.D. and Gault, R.A. (1991), Silinaite, a new sodium lithium silicate hydrate mineral from Mont Saint-Hilaire, Quebec. Canadian Mineralogist: 29: 359-362, Grice, et al: 363-367.
    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: 15th Nov 2009 22:43:09