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

Caryochroite

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

Umbozero mine (Umbozerskii mine), Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Maurice de Graaf

Show Caryochroite Photos (9)



Formula:
(Na,Sr)
 
3
(Fe
3+
 
,Mg)
 
10
[(O,OH)
 
9
|Ti
 
2
Si
 
12
O
 
37
] · (H
 
2
O,O,OH)
 
17
System:MonoclinicColour:hazel-brown
Hardness:2½
Name:
From the Greek κάρυον, "a hazelnut", and χρώσις, "colouring", referring to its colour.


Related to Nafertisite.

Classification of Caryochroite

IMA status:Approved 2005
Strunz 8th edition ID:8/0.0-
Strunz 9th edition ID:9.EH.30
Nickel-Strunz 10th (pending) edition ID:9.HA.65

9 : SILICATES (Germanates)
H : Unclassified silicates
A : With Alkali and Alkali-earth Elements
Dana 8th edition ID:56.2.10.6

56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
mindat.org URL:http://www.mindat.org/min-28997.html
Please feel free to link to this page.

Type Occurrence of Caryochroite

Type Locality:Umbozero mine (Umbozerskii mine), Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
General Appearance of Type Material:centimetric crusts
Associated Minerals at type locality:
SphaleriteQuartzPyriteNatroliteGalena
EpididymiteElpiditeBitumenAlbite

Physical Properties of Caryochroite

Lustre:Waxy, Dull
Diaphaneity (Transparency):Opaque
Colour:hazel-brown
Streak:pale brownish yellow
Hardness (Mohs):2½
Hardness Data:Measured
Cleavage:Distinct/Good
{001}
Parting:none
Fracture:Conchoidal
Density (measured):2.99(5) g/cm3
Density (calculated):3.076 g/cm3

Crystallography of Caryochroite

Crystal System:Monoclinic
Cell Parameters:a = 16.47Å, b = 5.303Å, c = 24.39Å
β = 93.5°
Ratio:a:b:c = 3.106 : 1 : 4.599
Unit Cell Volume:V 2,126.26 ų (Calculated from Unit Cell)
Z:2
X-Ray Powder Diffraction:
d-spacingIntensity
14.1 (20)
13.3 (30)
12.1 (100)
4.38 (10)
2.692 (12)
2.631 (13)

Chemical Properties of Caryochroite

Formula:
(Na,Sr)
 
3
(Fe
3+
 
,Mg)
 
10
[(O,OH)
 
9
|Ti
 
2
Si
 
12
O
 
37
] · (H
 
2
O,O,OH)
 
17
Essential elements:Fe, H, Na, O, Si, Ti
All elements listed in formula:Fe, H, Mg, Na, O, Si, Sr, Ti

Relationship of Caryochroite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.HA.05Ertixiite
Na
 
2
Si
 
4
O
 
9
9.HA.10Kenyaite
Na
 
2
Si
 
22
O
 
41
(OH)
 
8
 · 6H
 
2
O
9.HA.20Wawayandaite
Ca
 
6
Mn
 
2
BBe
 
9
Si
 
6
O
 
23
(OH,Cl)
 
15
9.HA.25Magbasite
KBa(Al,Sc)(Mg,Fe)
 
6
Si
 
6
O
 
20
F
 
2
9.HA.30Afanasyevaite
Ca
 
8
[Si
 
2
O
 
7
]OCl
 
2
9.HA.40Igumnovite
Ca
 
3
Al
 
2
(SiO
 
4
)
 
2
Cl
 
4
9.HA.50Rudenkoite
Sr
 
3
(Al
 
3.5
Si
 
3.5
)O
 
10
(OH,O)
 
8
Cl
 
2
 · H
 
2
O
9.HA.55Foshallasite
Ca
 
3
[Si
 
2
O
 
7
] · 3H
 
2
O(?)
9.HA.60Nagelschmidtite
Ca
 
7
(SiO
 
4
)
 
2
(PO
 
4
)
 
2
9.HA.70Juanite
Ca
 
10
Mg
 
4
Al
 
2
Si
 
11
O
 
39
 · 4H
 
2
O or near
9.HA.75Tacharanite
Ca
 
12
Al
 
2
Si
 
18
O
 
51
 · 18H
 
2
O
9.HA.80Oyelite
Ca
 
10
Si
 
8
B
 
2
O
 
29
 · 12.5H
 
2
O
9.HA.85Denisovite
Ca
 
2
(K,Na)Si
 
3
O
 
8
(F,OH)
 
2
9.HA.90Tiettaite
(Na,K)
 
17
FeTiSi
 
16
O
 
29
(OH)
 
30
 · 2H
 
2
O

Other Names for Caryochroite

Synonyms:
IMA 2005-031
Other Languages:

Other Information

Fluorescence in UV light:none
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 Caryochroite

Reference List:

- +
Kartashov, P.M., Ferraris, G., Soboleva, S.V., Chukanov, N.V. (2006): Caryochroite, a new heterophyllosilicate mineral species related to nafertisite from the Lovozero massif (Kola Peninsula, Russia). Canadian Mineralogist, 44, 1331-1339

Internet Links for Caryochroite

Search Engines:
  • Look for Caryochroite on Google
  • Look for Caryochroite images on Google
    • External Links:
  • Look for Caryochroite on Webmineral
  • Look for Caryochroite on Athena Mineralogy
  • Look for Caryochroite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
    • Mineral Dealers:
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • High-end worldwide specimens & outstanding customer service
  • Buy from David K Joyce minerals
  • Search for - Caryochroite - on e-Rocks Mineral Sales & Auctions
  • Fabre Minerals - search for Caryochroite specimens
  • Rare and Unusual minerals at Mineralogical Research Company
  • Buy RARE Minerals from Rocks of Africa
  • Search for Caryochroite on Well-Arranged Molecules
  • Search for minerals at Heliodor
  • Find Caryochroite on www.crystalclassics.co.uk
  • webminerals
  • Wilensky Fine Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Caryochroite

    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
            • Alluaiv Mt
    		IMA website
    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: 10th Dec 2012 19:04:27
    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