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

Shomiokite-(Y)

Big Photo

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

Show Shomiokite-(Y) Photos (20)
Formula:
Na
 
3
Y[CO
 
3
]
 
3
 · 3H
 
2
O
System:OrthorhombicColour:colourless, pink
Hardness:2 - 3
Name:Named after its discovery near the Shomiok River.
This page provides mineralogical data about Shomiokite-(Y).

Classification of Shomiokite-(Y)

IMA status:Approved 1990
Strunz 8th edition ID:5/D.03-05
Nickel-Strunz 10th (pending) edition ID:5.CC.20

5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H2O
C : With rare earth elements (REE)
Dana 8th edition ID:15.4.7.1

15 : HYDRATED NORMAL CARBONATES
4 : AmBn(XO3)p·xH2O, with (m+n):p < 1:1
mindat.org URL:http://www.mindat.org/min-3639.html
Please feel free to link to this page.

Type Occurrence of Shomiokite-(Y)

Type Locality:Unnamed pegmatites, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Physical Properties of Shomiokite-(Y)

Lustre:Silky, Dull
Diaphaneity (Transparency):Transparent
Colour:colourless, pink
Streak:white
Hardness (Mohs):2 - 3
Cleavage:Perfect

Crystallography of Shomiokite-(Y)

Crystal System:Orthorhombic

Optical Data of Shomiokite-(Y)

Type:Biaxial (+)
RI values: nα = 1.528 nβ = 1.529 nγ = 1.531
2V:Measured: 39° to 49°, 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:none

Chemical Properties of Shomiokite-(Y)

Formula:
Na
 
3
Y[CO
 
3
]
 
3
 · 3H
 
2
O
Essential elements:C, H, Na, O, Y
All elements listed in formula:C, H, Na, O, Y

Relationship of Shomiokite-(Y) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.CC.05Donnayite-(Y)
Sr
 
3
NaCaY(CO
 
3
)
 
6
·3H
 
2
O
5.CC.05Ewaldite
Ba(Ca,Y,Na,K)(CO
 
3
)
 
2
5.CC.05Mckelveyite-(Nd)
(Ba,Sr)(Nd,Ce,La)(CO
 
3
)
 
2
·4-10H
 
2
O
5.CC.05Mckelveyite-(Y)
Ba
 
3
Na(Ca,U)Y(CO
 
3
)
 
6
·3H
 
2
O
5.CC.05Weloganite
Sr
 
3
Na
 
2
Zr(CO
 
3
)
 
6
·3H
 
2
O
5.CC.10Tengerite-(Y)
Y
 
2
[CO
 
3
]
 
3
 · 2-3H
 
2
O
5.CC.15Kimuraite-(Y)
Ca(Y,Nd)
 
2
[CO
 
3
]
 
4
 · 6H
 
2
O
5.CC.15Lokkaite-(Y)
Ca(Y,Gd,Nd,Dy)
 
4
[CO
 
3
]
 
7
 · 9H
 
2
O
5.CC.25Calkinsite-(Ce)
(Ce,La)
 
2
[CO
 
3
]
 
3
 · 4H
 
2
O
5.CC.25Lanthanite-(Ce)
(Ce,La,Nd)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
5.CC.25Lanthanite-(La)
(La,Ce)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
5.CC.25Lanthanite-(Nd)
(Nd,La)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
5.CC.30Adamsite-(Y)
NaY[CO
 
3
]
 
2
 · 6H
 
2
O
5.CC.35Decrespignyite-(Y)
Cu(Y,REE)
 
4
(CO
 
3
)
 
4
Cl(OH)
 
5
·2H
 
2
O
5.CC.40Galgenbergite-(Ce)
Ca(Ce,La,Nd)
 
2
[CO
 
3
]
 
4
 · H
 
2
O

Other Names for Shomiokite-(Y)

Synonyms:
IMA1990-015ShomiokiteShomyokiteShomyokite-(Y)
Other Languages:
German:Shomiokit
Shomyokit
Russian:Шомиокит-(Y)
Spanish:Shomiokita
Shomyokita

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 Shomiokite-(Y)

Reference List:American Mineralogist (1994): 79: 765-766.

Canadian Mineralogist (1996): 34: 649-655.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 121(6): 129-132.

Internet Links for Shomiokite-(Y)

Search Engines:
  • Look for Shomiokite-(Y) on Google
  • Look for Shomiokite-(Y) images on Google
    • External Links:
  • Look for Shomiokite-(Y) on Webmineral
  • Look for Shomiokite-(Y) on Athena Mineralogy
  • Look for Shomiokite-(Y) on Wikipedia
  • Look for Shomiokite-(Y) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Shomiokite-(Y) in the Natural History Museum (London) online catalogue
  • Shomiokite-(Y) details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • SpiriferMinerals.com - high quality specimens
  • Search for - Shomiokite-(Y) - on e-Rocks Mineral Sales & Auctions
  • Edwards Minerals - Fine Specimens
  • Lapis Mineral Magazin
  • Wendel Minerals - Auktion & Shop
  • Top quality minerals from Kristalle of California
  • Wilensky Fine Minerals
  • Buy minerals from Mineralium.com
  • High-end worldwide specimens & outstanding customer service
  • Fabre Minerals - search for Shomiokite-(Y) specimens
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

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

    Localities for Shomiokite-(Y)

    Show Locality List (3 Items)
    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.
    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: 4th Nov 2009 21:24:51