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

Kirchhoffite

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



Formula:
Cs(B
 
2
Si
 
4
O
 
12
)
System:Tetragonal


Boron analogue of tetragonal pollucite

Classification of Kirchhoffite

IMA status:Approved 2009
Nickel-Strunz 10th (pending) edition ID:9.GB.05

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
B : Chains of single connected 4-membered rings
Dana 8th edition ID:77.1.1.8

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites
mindat.org URL:http://www.mindat.org/min-40071.html
Please feel free to link to this page.

Type Occurrence of Kirchhoffite

Type Locality:Darai-Pioz (Dara-i-Pioz; Dara-Pioz) Glacier, Alai (Alayskiy) Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan
Place of Conservation of Type Material:Fersman Mineralogical Museum, Moscow, russia, reg. no. 3923/1

Crystallography of Kirchhoffite

Crystal System:Tetragonal
Class (H-M):4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:I41/acd {I41/a 2/c 2/d}
Space Group Setting:I41/acd
Cell Parameters:a = 13.019(2) Å, c = 12.900(2) Å
Ratio:a:c = 1 : 0.991
Unit Cell Volume:V 2,186.48 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
5.32 (32)
3.48 (82)
3.26 (100)
2.770 (67)
2.373 (21)
2.294 (41)
2.109 (34)
1.768 (22)

Chemical Properties of Kirchhoffite

Formula:
Cs(B
 
2
Si
 
4
O
 
12
)
Essential elements:B, Cs, O, Si
All elements listed in formula:B, Cs, O, Si

Relationship of Kirchhoffite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.GB.05Ammonioleucite
(NH
 
4
,K)(AlSi
 
2
O
 
6
)
9.GB.05Analcime
Na
 
2
(Al
 
2
Si
 
4
O
 
12
) · 2H
 
2
O
9.GB.05Hsianghualite
Ca
 
3
Li
 
2
(Be
 
3
Si
 
3
O
 
12
)F
 
2
9.GB.05Lithosite
K
 
6
Al
 
4
Si
 
8
O
 
25
 · 2H
 
2
O
9.GB.05Leucite
K(AlSi
 
2
O
 
6
)
9.GB.05Pollucite
(Cs,Na)
 
2
(Al
 
2
Si
 
4
O
 
12
) · 2H
 
2
O
9.GB.05Wairakite
Ca(Al
 
2
Si
 
4
O
 
12
) · 2H
 
2
O
9.GB.10Laumontite
CaAl
 
2
Si
 
4
O
 
12
 · 4H
 
2
O
9.GB.15Yugawaralite
CaAl
 
2
Si
 
6
O
 
16
 · 4H
 
2
O
9.GB.20Roggianite
Ca
 
2
Be(OH)
 
2
Al
 
2
Si
 
4
O
 
13
 · 2.5H
 
2
O
9.GB.25Goosecreekite
Ca[Al
 
2
Si
 
6
O
 
16
] · 5H
 
2
O
9.GB.30Montesommaite
(K,Na)
 
9
Al
 
9
Si
 
23
O
 
64
 · 10H
 
2
O
9.GB.35Parthéite
CaAl
 
2
Si
 
2
O
 
8
 · 2H
 
2
O

Other Names for Kirchhoffite

Synonyms:
IMA2009-094
Other Languages:

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 Kirchhoffite

Reference List:

- +
IMA Proposals approved - March 2010

Internet Links for Kirchhoffite

Search Engines:
  • Look for Kirchhoffite on Google
  • Look for Kirchhoffite images on Google
    • External Links:
  • Look for Kirchhoffite on Webmineral
  • Look for Kirchhoffite on Athena Mineralogy
  • Look for Kirchhoffite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Find Kirchhoffite on www.crystalclassics.co.uk
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Wilensky Fine Minerals
  • The Arkenstone - Fine Minerals
  • Buy from David K Joyce minerals
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Top quality minerals from Kristalle of California
  • webminerals
  • Buy fine minerals and gemstones from Pala International
  • Fabre Minerals - search for Kirchhoffite specimens
  • Search for Kirchhoffite from all mineral dealers at minfind.com
  • High-end worldwide specimens & outstanding customer service
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Kirchhoffite

    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.
    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.
    Tajikistan
     
    • Region of Republican Subordination
      • Tien Shan Mts
        • Alai (Alayskiy) Range
    		IMA Approvals - Mar. 2010
    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: 7th Aug 2011 20:15:52
    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