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

Zussmanite

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

Laytonville Quarry ("Longvale"; "Longvale Quarry"), Laytonville, Coastal Range, Mendocino Co., California, USA
© Van King

Show Zussmanite Photos (7)



Formula:
K(Fe,Mg,Mn)
 
13
(Si,Al)
 
18
O
 
42
(OH)
 
14
System:TrigonalColour:Light to medium green
Name:Named after Jack Zussman (1924 - ), Professor of Mineralogy, University of Manchester (England).
Prof. Zussman was one of the authors of the Rock-Forming Minerals book series (W.A. Deer, R.A. Howie and J. Zussman).
Isostructural with:Coombsite


Fe-analogue of Coombsite.

Dark green micaceous mineral in stilpnomelane and quartz gneiss. A modulated phyllosilicate.

Classification of Zussmanite

IMA status:Approved 1964
Strunz 8th edition ID:8/H.40-10
Nickel-Strunz 10th (pending) edition ID:9.EG.35

9 : SILICATES (Germanates)
E : Phyllosilicates
G : Double nets with 6-membered and larger rings
Dana 8th edition ID:74.1.4.1

74 : PHYLLOSILICATES Modulated Layers
1 : Modulated Layers with joined islands
Hey's CIM Ref.:16.16.17

16 : Silicates Containing Aluminum and other Metals
16 : Aluminosilicates of Mn
mindat.org URL:http://www.mindat.org/min-4434.html
Please feel free to link to this page.

Type Occurrence of Zussmanite

Type Locality:Laytonville Quarry ("Longvale"; "Longvale Quarry"), Laytonville, Coastal Range, Mendocino Co., California, USA
General Appearance of Type Material:Green grains and bands of grains in black matrix
Year of Discovery:1964
Geological Setting of type material:Blue-schist facies metamorphism.
Associated Minerals at type locality:
StilpnomelaneRiebeckiteQuartzPyrite

Physical Properties of Zussmanite

Lustre:Sub-Vitreous, Resinous, Greasy
Diaphaneity (Transparency):Transparent
Colour:Light to medium green
Tenacity:Flexible
Cleavage:Perfect
{0001}
Fracture:Micaceous
Density (measured):3.146 g/cm3
Density (calculated):3.14 g/cm3

Crystallography of Zussmanite

Crystal System:Trigonal
Class (H-M):3 - Pyramidal
Space Group:R3
Cell Parameters:a = 11.66Å, c = 28.69Å
Ratio:a:c = 1 : 2.461
Unit Cell Volume:V 3,377.99 ų (Calculated from Unit Cell)
Z:3
Morphology:Platy granular
X-Ray Powder Diffraction:
d-spacingIntensity
9.60 (100)
4.78 (100)
3.78 (50)
3.69 (50)
3.19 (80)
2.74 (50)
2.20 (50)
1.908 (50)

Optical Data of Zussmanite

Type:Uniaxial (-)
RI values: nω = 1.643 nε = 1.623
Birefringence:0.020
Maximum Birefringence:δ = 0.020

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Optical Extinction:parallel
Pleochroism:Weak
Comments:O = pale green, e = colourless

Chemical Properties of Zussmanite

Formula:
K(Fe,Mg,Mn)
 
13
(Si,Al)
 
18
O
 
42
(OH)
 
14
Essential elements:Fe, H, K, O, Si
All elements listed in formula:Al, Fe, H, K, Mg, Mn, O, Si
Common Impurities:Na,Ti

Relationship of Zussmanite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.EG.05Cymrite
BaAl
 
2
Si
 
2
(O,OH)
 
8
 · H
 
2
O
9.EG.10Naujakasite
(Na,K)
 
6
(Fe
2+
 
,Mn
2+
 
,Ca)(Al,Fe)
 
4
Si
 
8
O
 
26
9.EG.10Manganonaujakasite
Na
 
6
(Mn
2+
 
,Fe
2+
 
)Al
 
4
Si
 
8
O
 
26
9.EG.15Dmisteinbergite
CaAl
 
2
Si
 
2
O
 
8
9.EG.20Kampfite
Ba
 
12
(Si
 
11
Al
 
5
)O
 
31
(CO
 
3
)
 
8
Cl
 
5
9.EG.25Strätlingite
Ca
 
2
Al
 
2
SiO
 
7
 · 8H
 
2
O
9.EG.25Vertumnite
Ca
 
4
Al
 
4
Si
 
4
O
 
6
(OH)
 
24
 · 3H
 
2
O
9.EG.30Eggletonite
(Na,K,Ca)
 
2
(Mn,Fe)
 
8
(Si,Al)
 
12
O
 
29
(OH)
 
7
 · 11H
 
2
O
9.EG.30Ganophyllite
(K,Na,Ca)
 
2
Mn
 
8
(Si,Al)
 
12
(O,OH)
 
32
 · 8H
 
2
O
9.EG.30Tamaite
(Ca,K,Ba,Na)
 
3-4
Mn
 
24
(Si,Al)
 
40
(O,OH)
 
112
 · 21H
 
2
O
9.EG.35Coombsite
K(Mn,Fe,Mg)
 
13
(Si,Al)
 
18
O
 
42
(OH)
 
14
9.EG.40Franklinphilite
(K,Na)
 
4
(Mn,Zn,Mg,Fe)
 
48
(Si,Al)
 
72
(O,OH)
 
216
 · 6H
 
2
O
9.EG.40Lennilenapeite
K
 
6-7
(Mg,Mn,Fe,Zn)
 
48
(Si,Al)
 
72
(O,OH)
 
216
 · 16H
 
2
O
9.EG.40Parsettensite
K
 
1.2
Mn
 
8
(Si,Al)
 
12
O
 
26
(OH)
 
10
9.EG.40Stilpnomelane
(K,Ca,Na)(Fe
2+
 
,Mg,Al,Fe
3+
 
)
 
8
(Si,Al)
 
12
(O,OH)
 
36
 · nH
 
2
O
9.EG.45Latiumite
K
 
2
Ca
 
6
(Si,Al)
 
11
O
 
25
(SO
 
4
,CO
 
3
)
9.EG.45Tuscanite
(K(Ca,Na)
 
6
(Si,Al)
 
10
O
 
22
[SO
 
4
,CO
 
3
,(OH)
 
2
] · H
 
2
O
9.EG.50Jagoite
(Pb,Ca)
 
3
FeSi
 
3
O
 
10
(Cl,OH)
9.EG.55Wickenburgite
CaPb
 
3
Al
 
2
Si
 
10
O
 
24
(OH)
 
6
9.EG.60Hyttsjöite
Pb
 
18
Ba
 
2
Ca
 
5
Mn
2+
2
Fe
3+
2
Si
 
30
O
 
90
Cl · 6H
 
2
O
9.EG.65Armbrusterite
K
 
5
Na
 
7
Mn
 
15
[(Si
 
9
O
 
22
)
 
4
](OH)
 
10
 · 4H
 
2
O
9.EG.70Britvinite
[Pb
 
7
(OH)
 
3
F(BO
 
3
)
 
2
(CO
 
3
)][Mg
 
4.5
(OH)
 
3
(Si
 
5
O
 
14
)]
9.EG.75Bannisterite
Ca
 
0.5
(K,Na)
 
0.5
(Mn,Fe,Zn)
 
10
(Si,Al)
 
16
O
 
38
(OH)
 
8
 · 5.5H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
16.16.1Kanonaite
Mn
3+
 
Al(SiO
 
4
)O
16.16.2Spessartine
Mn
2+
3
Al
 
2
(SiO
 
4
)
 
3
16.16.3Davreuxite
MnAl
 
6
Si
 
4
O
 
17
(OH)
 
2
16.16.4Sursassite
Mn
2+
2
Al
 
3
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
3
16.16.5Carpholite
Mn
2+
 
Al
 
2
(Si
 
2
O
 
6
)(OH)
 
4
16.16.6Kellyite
Mn
2+
2
Al(AlSiO
 
5
)(OH)
 
4
16.16.7Pennantite
Mn
2+
5
Al(AlSi
 
3
O
 
10
)(OH)
 
8
16.16.8Akatoreite
(Mn
2+
 
,Fe
2+
 
)
 
9
Al
 
2
(HSi
 
4
O
 
13
)
 
2
(OH)
 
6
16.16.9Ganophyllite
(K,Na,Ca)
 
2
Mn
 
8
(Si,Al)
 
12
(O,OH)
 
32
 · 8H
 
2
O
16.16.10Mangano-arfvedsonite
[Na][Na
 
2
][Mn
2+
4
(Fe
3+
 
)]Si
 
8
O
 
22
(OH)
 
2
16.16.11Masutomilite
(K,Rb)(Li,Mn
3+
 
,Al)
 
3
(AlSi
 
3
O
 
10
)(F,OH)
 
2
16.16.13Howieite
Na(Fe,Mn)
 
10
(Fe,Al)
 
2
Si
 
12
O
 
31
(OH)
 
13
16.16.14Eggletonite
(Na,K,Ca)
 
2
(Mn,Fe)
 
8
(Si,Al)
 
12
O
 
29
(OH)
 
7
 · 11H
 
2
O
16.16.15Bannisterite
Ca
 
0.5
(K,Na)
 
0.5
(Mn,Fe,Zn)
 
10
(Si,Al)
 
16
O
 
38
(OH)
 
8
 · 5.5H
 
2
O
16.16.16Taneyamalite
(Na,Ca)(Mn,Mg,Fe)
 
12
Si
 
12
(O,OH)
 
44
16.16.18Coombsite
K(Mn,Fe,Mg)
 
13
(Si,Al)
 
18
O
 
42
(OH)
 
14
16.16.19Henritermierite
Ca
 
3
(Mn
3+
 
,Al)
 
2
(SiO
 
4
)
 
2
(OH)
 
4
16.16.20Macfallite
Ca
 
2
(Mn
3+
 
,Al)
 
3
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
3
16.16.21Ottrélite
(Mn
2+
 
,Fe
2+
 
,Mg)Al
 
2
(SiO
 
4
)O(OH)
 
2
16.16.22Piemontite
{Ca
 
2
}{Al
 
2
Mn
3+
 
}(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)
16.16.23Okhotskite
Ca
 
2
(Mn
2+
 
,Mg)(Mn
3+
 
,Al,Fe
3+
 
)
 
2
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
2
 · H
 
2
O
16.16.24Pumpellyite-(Mn2+)
Ca
 
2
(Mn
2+
 
,Mg)(Al,Mn
3+
 
,Fe
3+
 
)
 
2
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
2
 · H
 
2
O
16.16.25Piemontite-(Sr)
{CaSr}{Al
 
2
Mn
3+
 
}(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)

Other Names for Zussmanite

Synonyms:
IMA1964-018
Other Languages:
German:Zussmanit
Russian:Зусманит
Spanish:Zussmanita

Other Information

Fluorescence in UV light:Not fluorescent in UV
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 Zussmanite

Reference List:

- +
Agrell, S.O. (1964) Deerite, howieite, and zussmanite, three new minerals from the Franciscan of the Laytonville district, Mendocino County, California (title only), American Mineralogist: 49.

Agrell, S.O., M.G. Brown & McKie (1965) Deerite, howieite and zussmanite, three new minerals from the Franciscan of the Laytonville district, Mendocino County, California: American Mineralogist: 50: 278.

Lopez-Viera, A. & J. Zussman (1967) The crystal structure of the mineral zussmanite: Mineralogical Magazine: 36: 292-293.

Lopez-Viera, A. & J. Zussman (1969) Further details on the crystal structure of the mineral zussmanite: Mineralogical Magazine: 37: 49-60.

Boerner, U. (1969) Deerit, Howieit und Zussmanit, neue seltene Mineralien von einen Steinbruch bei Laytonville in Nord-Kalifornien: Aufschluss: 20: 338-341.

Mineralogical Magazine (1980): 43: 605.

Mindat.org articles about Zussmanite

Article entries:
Zussmanite from a granitic enviromentSigurd Stordal

Internet Links for Zussmanite

Search Engines:
  • Look for Zussmanite on Google
  • Look for Zussmanite images on Google
    • External Links:
  • Look for Zussmanite on Webmineral
  • Look for Zussmanite on Athena Mineralogy
  • Look for Zussmanite on Wikipedia
  • Look for Zussmanite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Zussmanite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Buy fine minerals and gemstones from Pala International
  • rare and unusual minerals mainly crystallized
  • The Arkenstone - Fine Minerals
  • Buy RARE Minerals from Rocks of Africa
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • webminerals
  • High-end worldwide specimens & outstanding customer service
  • SpiriferMinerals.com - high quality low prices
  • Find Zussmanite on www.crystalclassics.co.uk
  • Zussmanite specimens for sale - minfind.com
  • Wilensky Fine Minerals
  • Search for minerals at Heliodor
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Zussmanite

    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.
    Australia
     
    • Tasmania
      • Balfour-Temma district
        • Temma
    		unpublished data, R. Bottrill
    Chile
     
    • Los Lagos Region
      • Valdivia Province
    		Min Mag 1998 62, 6, 869-876
    Norway
     
    • Buskerud
      • Drammen
    		Sigurd Stordal collection
    USA
     
    • California
      • Mendocino Co.
        • Coastal Range
    		[MinRec 8:433]
    Agrell, S.O. (1964), Deerite, howieite, and zussmanite, three new minerals from the Franciscan of the Laytonville district, Mendocino County, California (title only), Am.Min.: 49; MM 43 (1980), 605; HB2/2 (1995).; Wood, R. W. (1979) The iron-rich blueschist facies minerals: 2. Howieite. Mineralogical Magazine 43:363-370.; Robert Muir Wood (1982) The Laytonville Quarry (Mendocino County California) Exotic Block: Iron-rich Blueschist-Facies Subduction-Zone Metamorphism. Mineralogical Magazine 45:87-99.
          • Longvale
    		Anonymous (1964), Three new minerals from California (deerite, howieite, and zussmanite): California Division of Mines and Geology, Mineral Information Service: 17: 138; USGS MRDS database (2005), loc. file ID #10286314 & 10031493.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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: 11th Mar 2013 22:11:03
    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