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

Depmeierite

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

Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Show Depmeierite Photos (2)



Formula:
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(PO
 
4
,CO
 
3
)
 
1-x
 · 3H
 
2
O (x<0.5)
System:HexagonalColour:Colourless
Hardness:5
Member of:Cancrinite Group
Name:Named in honor of German crystallographer and mineralogist Wulf Helmut Heinz Depmeier (b.1944), Professor of Mineralogy and Crystallography at Christian-Albrechts University in Kiel. He is a well known specialist in crystal chemistry of the sodalite-cancrinite family of minerals and structurally related synthetic compounds.


Cancrinite group; the PO4-dominant analogue of cancrinite, vishnevite, hydroxycancrinite and kyanoxalite, first found in the Karnasurt mine, the underground workings on Mt Karnasurt.

Classification of Depmeierite

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

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
Dana 8th edition ID:76.2.9.24

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
mindat.org URL:http://www.mindat.org/min-39787.html
Please feel free to link to this page.

Type Occurrence of Depmeierite

Type Locality:Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
General Appearance of Type Material:Equant grains up to 1 cm in size.
Place of Conservation of Type Material:Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia (registration no. 3882/1).
Geological Setting of type material:In a 1.5 cm thick hydrothermal veinlet cutting the peralkaline rocks of a differentiated foyaite–urtite–lujavrite complex.
Associated Minerals at type locality:
Steenstrupine-(Ce)VuonnemiteEpistoliteSodaliteAegirine
SéranditeNatisiteVitusite-(Ce)Natrolite

Physical Properties of Depmeierite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless
Comment:Coarse grains have a bluish tint
Streak:White
Hardness (Mohs):5
Tenacity:Brittle
Cleavage:Perfect
on {1010}
Fracture:Step-Like
Density (measured):2.32(1) g/cm3
Density (calculated):2.313 g/cm3

Crystallography of Depmeierite

Crystal System:Hexagonal
Class (H-M):6 - Pyramidal
Space Group:P63
Space Group Setting:P63
Cell Parameters:a = 12.7345(2) Å, c = 5.1798(1) Å
Ratio:a:c = 1 : 0.407
Unit Cell Volume:V 727.46 ų
Z:1
X-Ray Powder Diffraction:
d-spacingIntensity
6.380 (30)
4.695 (91)
3.681 (37)
3.250 (100)
2.758 (33)
2.596 (31)
2.436 (21)
2.121 (24)

Optical Data of Depmeierite

Type:Uniaxial (+)
RI values: nω = 1.493() nε = 1.497(2)
Maximum Birefringence:δ = 0.004

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Pleochroism:Non-pleochroic

Chemical Properties of Depmeierite

Formula:
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(PO
 
4
,CO
 
3
)
 
1-x
 · 3H
 
2
O (x<0.5)
Essential elements:Al, H, Na, O, P, Si
All elements listed in formula:Al, C, H, Na, O, P, Si
Analytical Data:Average of 10 electron-microprobe analyses. Sample from the type locality.
Na2O (23.04)
K2O (0.54)
Fe2O3 (0.03)
Al2O3 (29.07)
SiO2 (36.48)
P2O5 (3.30)
SO3 (0.08)
CO2 (0.97)
H2O (5.93)
Total (99.44)
Empirical Formula:
(Na
 
7.58
K
 
0.12
)(Si
 
6.19
Al
 
5.81
)O
 
24
[(PO
 
4
)
 
0.47
(CO
 
3
)
 
0.22
(OH)
 
0.02
(SO
 
4
)
 
0.01
] · 3.345H
 
2
O

Relationship of Depmeierite to other Species

Member of:Cancrinite Group
Other Members of Group:

- +
Afghanite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
,CO
 
3
)
 
3
 · 0.5H
 
2
O
Alloriite
(Na,Ca,K)
 
26
Ca
 
4
(Al
 
6
Si
 
6
O
 
24
)
 
4
(SO
 
4
)
 
6
Cl
 
6
Balliranoite
(Na,K)
 
6
Ca
 
2
(Si
 
6
Al
 
6
O
 
24
)Cl
 
2
(CO
 
3
)
Biachellaite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
(OH)
 
0.5
 · H
 
2
O
Bystrite
(Na,K)
 
7
Ca(Al
 
6
Si
 
6
O
 
24
)(S
 
3
)
 
1.5
 · H
 
2
O
Cancrinite
(Na,Ca,☐)
 
8
(Al
 
6
Si
 
6
O
 
24
)(CO
 
3
,SO
 
4
)
 
2
 · 2H
 
2
O
Cancrisilite
Na
 
7
(Al
 
5
Si
 
7
O
 
24
)(CO
 
3
) · 3H
 
2
O
Davyne
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
)
 
2
Franzinite
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
 · 0.5H
 
2
O
Giuseppettite
(Na,K,Ca)
 
7-8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,Cl)
 
1-2
Hydroxycancrinite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(OH)
 
2
 · 2H
 
2
O
Kircherite
Na
 
5
Ca
 
2
K(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
 · 0.33H
 
2
O
Kyanoxalite
Na
 
7
(Al
 
6-x
Si
 
6+x
O
 
24
)(C
 
2
O
 
4
)
 
0.5+x
 · 5H
 
2
O (0 < x < 0.5)
Liottite
(Na,K)
 
16
Ca
 
8
(Al
 
6
Si
 
6
O
 
24
)
 
3
(SO
 
4
)
 
5
Cl
 
4
Marinellite
(Na,K)
 
42
Ca
 
6
(Al
 
6
Si
 
6
O
 
24
)
 
6
(SO
 
4
)
 
8
Cl
 
2
 · 3H
 
2
O
Microsommite
Na
 
4
K
 
2
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)Cl
 
2
Pitiglianoite
Na
 
6
K
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
) · 2H
 
2
O
Quadridavyne
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)Cl
 
4
Sacrofanite
(Na,K)
 
98
Ca
 
20
(Al
 
6
Si
 
6
O
 
24
)
 
14
(SO
 
4
)
 
26
Cl
 
2
 · 8H
 
2
O
Tounkite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
Cl · H
 
2
O
Vishnevite
(Na,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,CO
 
3
) · 2H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
9.FB.05Afghanite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
,CO
 
3
)
 
3
 · 0.5H
 
2
O
9.FB.05Bystrite
(Na,K)
 
7
Ca(Al
 
6
Si
 
6
O
 
24
)(S
 
3
)
 
1.5
 · H
 
2
O
9.FB.05Cancrinite
(Na,Ca,☐)
 
8
(Al
 
6
Si
 
6
O
 
24
)(CO
 
3
,SO
 
4
)
 
2
 · 2H
 
2
O
9.FB.05Cancrisilite
Na
 
7
(Al
 
5
Si
 
7
O
 
24
)(CO
 
3
) · 3H
 
2
O
9.FB.05Davyne
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
)
 
2
9.FB.05Franzinite
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
 · 0.5H
 
2
O
9.FB.05Giuseppettite
(Na,K,Ca)
 
7-8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,Cl)
 
1-2
9.FB.05Hydroxycancrinite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(OH)
 
2
 · 2H
 
2
O
9.FB.05Liottite
(Na,K)
 
16
Ca
 
8
(Al
 
6
Si
 
6
O
 
24
)
 
3
(SO
 
4
)
 
5
Cl
 
4
9.FB.05Microsommite
Na
 
4
K
 
2
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)Cl
 
2
9.FB.05Pitiglianoite
Na
 
6
K
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
) · 2H
 
2
O
9.FB.05Quadridavyne
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)Cl
 
4
9.FB.05Sacrofanite
(Na,K)
 
98
Ca
 
20
(Al
 
6
Si
 
6
O
 
24
)
 
14
(SO
 
4
)
 
26
Cl
 
2
 · 8H
 
2
O
9.FB.05Tounkite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
Cl · H
 
2
O
9.FB.05Vishnevite
(Na,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,CO
 
3
) · 2H
 
2
O
9.FB.05Marinellite
(Na,K)
 
42
Ca
 
6
(Al
 
6
Si
 
6
O
 
24
)
 
6
(SO
 
4
)
 
8
Cl
 
2
 · 3H
 
2
O
9.FB.05Farneseite
(Na,Ca,K)
 
56
(Al
 
6
Si
 
6
O
 
24
)
 
7
(SO
 
4
)
 
12
 · 6H
 
2
O
9.FB.05Alloriite
(Na,Ca,K)
 
26
Ca
 
4
(Al
 
6
Si
 
6
O
 
24
)
 
4
(SO
 
4
)
 
6
Cl
 
6
9.FB.05Fantappièite
[Na
 
82.5
Ca
 
33
K
 
16.5
](Si
 
99
Al
 
99
O
 
396
)(SO
 
4
)
 
33
 · 4H
 
2
O
9.FB.05Kyanoxalite
Na
 
7
(Al
 
6-x
Si
 
6+x
O
 
24
)(C
 
2
O
 
4
)
 
0.5+x
 · 5H
 
2
O (0 < x < 0.5)
9.FB.05Balliranoite
(Na,K)
 
6
Ca
 
2
(Si
 
6
Al
 
6
O
 
24
)Cl
 
2
(CO
 
3
)
9.FB.05Carbobystrite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(CO
 
3
) · 3.5H
 
2
O
9.FB.05Kircherite
Na
 
5
Ca
 
2
K(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
 · 0.33H
 
2
O
9.FB.10Bicchulite
Ca
 
2
(Al
 
2
SiO
 
6
)(OH)
 
2
9.FB.10Danalite
Fe
2+
4
(Be
 
3
Si
 
3
O
 
12
)S
9.FB.10Genthelvite
Zn
 
4
(Be
 
3
Si
 
3
O
 
12
)S
9.FB.10Haüyne
(Na,Ca)
 
4-8
(Al
 
6
Si
 
6
(O,S)
 
24
)(SO
 
4
,Cl)
 
1-2
9.FB.10Helvite
Mn
2+
4
(Be
 
3
Si
 
3
O
 
12
)S
9.FB.10Kamaishilite
Ca
 
2
(Al
 
2
SiO
 
6
)(OH)
 
2
9.FB.10Lazurite
(Na,Ca)
 
8
(Al
 
6
Si
 
6
O
 
24
)(S,SO
 
4
,Cl
 
2
)
9.FB.10Nosean
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
9.FB.10Sodalite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)Cl
 
2
9.FB.10Tsaregorodtsevite
(N(CH
 
3
)
 
4
)(AlSi
 
5
O
 
12
)
9.FB.10Tugtupite
Na
 
4
(AlBeSi
 
4
O
 
12
)Cl
9.FB.10Helvine
9.FB.15Marialite
Na
 
4
Al
 
3
Si
 
9
O
 
24
Cl
9.FB.15Meionite
Ca
 
4
Al
 
6
Si
 
6
O
 
24
CO
 
3
9.FB.15Silvialite
(Ca,Na)
 
4
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,CO
 
3
)

Other Names for Depmeierite

Synonyms:
IMA2009-075
Other Languages:

Other Information

Fluorescence in UV light:Non fluorescent.
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 Depmeierite

Reference List:

- +
Pekov, I.V., Olysych, L.V., Chukanov, N.V., Van, K.V. and Pushcharovsky, D.Yu.(2010): Depmeierite, Na8[Al6Si6O24](PO4,CO3)1-x·3H2O (x < 0.5) - a new cancrinite-group mineral from the Lovozero alkaline massif (Kola Peninsula, Russia). Zapiski Rossiyskogo Mineralogicheskogo Obshchestva, 139(4), 63-74 (in Russian). English translation: (2011) Geology of Ore Deposits, 53, 604-613.

Internet Links for Depmeierite

Search Engines:
  • Look for Depmeierite on Google
  • Look for Depmeierite images on Google
    • External Links:
  • Look for Depmeierite on Webmineral
  • Look for Depmeierite on Athena Mineralogy
  • Look for Depmeierite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
    • Mineral Dealers:
  • The Arkenstone - Fine Minerals
  • Fine Minerals from Weinrich Minerals, Inc.
  • Fabre Minerals - search for Depmeierite specimens
  • Find Depmeierite on www.crystalclassics.co.uk
  • webminerals
  • Depmeierite specimens for sale - minfind.com
  • Buy minerals from YourMineralCollection
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Top quality minerals from Kristalle of California
  • Buy RARE Minerals from Rocks of Africa
  • Search for - Depmeierite - on e-Rocks Mineral Sales & Auctions
  • Search for Depmeierite on Well-Arranged Molecules
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Depmeierite

    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.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Lovozero Massif
    		Pekov I.V., Olysych L.V., Zubkova N.V., Chukanov N.V., Van K.V., Pushcharovsky D.Yu. (2010) Depmeierite, Na8[Al6Si6O24](PO4,CO3)1-x·3H2O (x < 0.5), a new cancrinite-group mineral from the Lovozero alkaline complex, Kola Peninsula, Russia // Zapiski RMO, in press.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2012. 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: 9th Oct 2012 00:03:03
    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