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Pyrosmalite-(Mn)

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Formula:
(Mn,Fe)
 
8
Si
 
6
O
 
15
(OH,Cl)
 
10
System:TrigonalHardness:
Member of:Pyrosmalite Group
Name:Originally named manganpyrosmalite by By Clifford Frondel and Lawson H. Bauer for its manganese-dominant composition relative to the original pyrosmalite. Both pyrosmalites were later given suffixes, -(Mn) or -(Fe) by the IMA to indicated cation dominance in the chemical formula
Isostructural with:Pyrosmalite Group

Classification of Pyrosmalite-(Mn)

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/H.28-20
Nickel-Strunz 10th (pending) edition ID:9.EE.10

9 : SILICATES (Germanates)
E : Phyllosilicates
E : Single tetrahedral nets of 6-membered rings connected by octahedral nets or octahedral bands
Dana 8th edition ID:72.4.1a.2

72 : PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
4 : Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-, 6-, and 12-membered rings
Hey's CIM Ref.:17.3.14

17 : Silicates Containing other Anions
3 : Silicates with chloride (including aluminosilicates)
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Type Occurrence of Pyrosmalite-(Mn)

Type Locality:Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
Year of Discovery:1953

Physical Properties of Pyrosmalite-(Mn)

Hardness (Mohs):

Crystallography of Pyrosmalite-(Mn)

Crystal System:Trigonal
Cell Parameters:a = 13.42Å, c = 7.16Å
Ratio:a:c = 1 : 0.534
Unit Cell Volume:V 1,116.73 ų (Calculated from Unit Cell)

Optical Data of Pyrosmalite-(Mn)

Type:Uniaxial (-)
RI values: nω = 1.680 nε = 1.640
Maximum Birefringence:δ = 0.040

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

Chemical Properties of Pyrosmalite-(Mn)

Formula:
(Mn,Fe)
 
8
Si
 
6
O
 
15
(OH,Cl)
 
10
Simplified for copy/paste:(Mn,Fe)8Si6O15(OH,Cl)10
Essential elements:H, Mn, O, Si
All elements listed in formula:Cl, Fe, H, Mn, O, Si
Common Impurities:As,Zn,Mg,Ca,H20

Relationship of Pyrosmalite-(Mn) to other Species

Series:Forms a series with Pyrosmalite-(Fe) (see here)
Member of:Pyrosmalite Group
Other Members of Group:

- +
Friedelite
(Mn,Fe)
 
8
Si
 
6
O
 
15
(OH,Cl)
 
10
Mcgillite
(Mn,Fe)
 
8
Si
 
6
O
 
15
(OH)
 
8
Cl
 
2
Nelenite
(Mn,Fe)
 
16
(Si
 
12
O
 
30
)(OH)
 
14
[As
3+
3
O
 
6
(OH)
 
3
]
Pyrosmalite-(Fe)
(Fe,Mn)
 
8
Si
 
6
O
 
15
(OH,Cl)
 
10
Schallerite
(Mn,Fe)
 
16
Si
 
12
As
 
3
O
 
36
(OH)
 
17
Related Minerals - Nickel-Strunz Grouping):

- +
9.EE.05Bementite
Mn
 
7
Si
 
6
O
 
15
(OH)
 
8
9.EE.10Brokenhillite
Mn
 
8
Si
 
6
O
 
15
(OH)
 
10
9.EE.10Pyrosmalite-(Fe)
(Fe,Mn)
 
8
Si
 
6
O
 
15
(OH,Cl)
 
10
9.EE.10Friedelite
(Mn,Fe)
 
8
Si
 
6
O
 
15
(OH,Cl)
 
10
9.EE.10Mcgillite
(Mn,Fe)
 
8
Si
 
6
O
 
15
(OH)
 
8
Cl
 
2
9.EE.15Nelenite
(Mn,Fe)
 
16
(Si
 
12
O
 
30
)(OH)
 
14
[As
3+
3
O
 
6
(OH)
 
3
]
9.EE.15Schallerite
(Mn,Fe)
 
16
Si
 
12
As
 
3
O
 
36
(OH)
 
17
9.EE.20Palygorskite
(Mg,Al)
 
5
(Si,Al)
 
8
O
 
20
(OH)
 
2
· 8H
 
2
O
9.EE.20Tuperssuatsiaite
Na
 
2
Fe
 
3
Si
 
8
O
 
20
(OH)
 
2
· 4H
 
2
O
9.EE.20Yofortierite
Mn
 
5
Si
 
8
O
 
20
(OH)
 
2
· 8-9H
 
2
O
9.EE.20Windhoekite
Ca
 
2
Fe
3+
2.67
[Si
 
8
O
 
20
](OH)
 
4
· 10H
 
2
O
9.EE.25Falcondoite
(Ni,Mg)
 
4
Si
 
6
O
 
15
(OH)
 
2
· 6H
 
2
O
9.EE.25Loughlinite
Na
 
2
Mg
 
3
Si
 
6
O
 
16
· 8H
 
2
O
9.EE.25Sepiolite
Mg
 
4
(Si
 
6
O
 
15
)(OH)
 
2
· 6H
 
2
O
9.EE.25Kalifersite
(K,Na)
 
5
Fe
3+
7
Si
 
20
O
 
50
(OH)
 
6
· 12H
 
2
O
9.EE.30Gyrolite
NaCa
 
16
Si
 
23
AlO
 
60
(OH)
 
8
· 14H
 
2
O
9.EE.30Orlymanite
Ca
 
4
Mn
 
3
Si
 
8
O
 
20
(OH)
 
6
· 2H
 
2
O
9.EE.30Tungusite
Ca
 
4
Fe
 
2
Si
 
6
O
 
15
(OH)
 
6
9.EE.35Reyerite
(Na,K)
 
2
Ca
 
14
(Si,Al)
 
24
O
 
58
(OH)
 
8
· 6H
 
2
O
9.EE.35Truscottite
(Ca,Mn)
 
14
Si
 
24
O
 
58
(OH)
 
8
· 2H
 
2
O
9.EE.40Natrosilite
Na
 
2
Si
 
2
O
 
5
9.EE.45Makatite
Na
 
2
Si
 
4
O
 
8
(OH)
 
2
· 4H
 
2
O
9.EE.50Varennesite
Na
 
8
Mn
 
2
Si
 
10
O
 
25
(OH,Cl)
 
2
· 12H
 
2
O
9.EE.55Raite
Na
 
4
Mn
2+
3
Ti
 
0.25
Si
 
8
O
 
20
(OH)
 
2
· 10H
 
2
O
9.EE.60Intersilite
Na
 
6
Mn
2+
 
Ti[Si
 
10
O
 
24
(OH)](OH)
 
3
· 4H
 
2
O
9.EE.65Shafranovskite
(Na,K)
 
6
(Mn,Fe)
 
3
Si
 
9
O
 
24
· 6H
 
2
O
9.EE.65Zakharovite
Na
 
4
Mn
 
5
Si
 
10
O
 
24
(OH)
 
6
· 6H
 
2
O
9.EE.70Zeophyllite
Ca
 
13
(Si
 
10
O
 
28
)F
 
10
· 6H
 
2
O
9.EE.75Minehillite
(K,Na)
 
2-3
Ca
 
28
Zn
 
4
Al
 
4
Si
 
40
O
 
112
(OH)
 
16
9.EE.80Fedorite
(Na,K)
 
2-3
(Ca
 
4
Na
 
3
)Si
 
16
O
 
38
(OH,F)
 
2
· 3.5H
 
2
O
9.EE.80Martinite
(Na,◻,Ca)
 
12
Ca
 
4
(Si,S,B)
 
14
B
 
2
O
 
38
(OH,Cl)
 
2
F
 
2
·4H
 
2
O
9.EE.85Lalondeite
(Na,Ca)
 
6
(Ca,Na)
 
3
Si
 
16
O
 
38
(F,OH)
 
2
·3H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
17.3.1Rustumite
Ca
 
10
(Si
 
2
O
 
7
)
 
2
(SiO
 
4
)(OH)
 
2
Cl
 
2
17.3.2Zunyite
Al
 
13
Si
 
5
O
 
20
(OH,F)
 
18
Cl
17.3.3Sodalite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)Cl
 
2
17.3.4Marialite
Na
 
4
Al
 
3
Si
 
9
O
 
24
Cl
17.3.5Tugtupite
Na
 
4
(AlBeSi
 
4
O
 
12
)Cl
17.3.6Eudialyte
Na
 
15
Ca
 
6
(Fe
2+
 
,Mn
2+
 
)
 
3
Zr
 
3
[Si
 
25
O
 
73
](O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
17.3.7Alluaivite
Na
 
19
(Ca,Mn)
 
6
(Ti,Nb)
 
3
Si
 
26
O
 
74
Cl · 2H
 
2
O
17.3.8Nasonite
Pb
 
6
Ca
 
4
(Si
 
2
O
 
7
)
 
3
Cl
 
2
17.3.9Asisite
Pb
 
7
SiO
 
9
Cl
 
2
17.3.10Jagoite
Pb
 
18
Fe
3+
4
[Si
 
4
(Si,Fe
3+
 
)
 
6
][Pb
 
4
Si
 
16
(Si,Fe)
 
4
]O
 
82
Cl
 
6
17.3.11Friedelite
(Mn,Fe)
 
8
Si
 
6
O
 
15
(OH,Cl)
 
10
17.3.12Pyrosmalite-(Fe)
(Fe,Mn)
 
8
Si
 
6
O
 
15
(OH,Cl)
 
10
17.3.13Pyrosmalite
17.3.16Mcgillite
(Mn,Fe)
 
8
Si
 
6
O
 
15
(OH)
 
8
Cl
 
2
17.3.17Traskite
Ba
 
21
Ca(Fe
2+
 
,Mn,Ti)
 
4
(Ti,Fe,Mg)
 
12
(Si
 
12
O
 
36
)(Si
 
2
O
 
7
)
 
6
(O,OH)
 
30
Cl
 
6
·14H
 
2
O
17.3.18Muirite
Ba
 
10
Ca
 
2
Mn
2+
 
Ti[(OH,Cl,F)|HSi
 
2
O
 
7
]
 
5
17.3.19Verplanckite
Ba
 
2
(Mn,Fe,Ti)Si
 
2
O
 
6
(O,OH,Cl,F)
 
2
· 3H
 
2
O or near

Other Names for Pyrosmalite-(Mn)

Synonyms:
Manganpyrosmalite
Other Languages:
German:Manganpyrosmalit
Russian:Манганпиросмалит
Spanish:Manganpyrosmalita

Other Information

Special Storage/
Display Requirements from:
Sterling Mine,..., Sussex Co., New Jersey, USANone.
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 Pyrosmalite-(Mn)

Reference List:

- +
American Mineralogist (1953): 38: 755.

American Mineralogist (1956): 41: 581.

Canadian Mineralogist (1983): 21: 1-6.

Canadian Mineralogist (1993): 31: 695.

Internet Links for Pyrosmalite-(Mn)

Search Engines:
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  • External Links:
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  • Look for Pyrosmalite-(Mn) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Manganpyrosmalite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Find Pyrosmalite-(Mn) on www.crystalclassics.co.uk
  • Search for Pyrosmalite-(Mn) on Well-Arranged Molecules
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  • Localities for Pyrosmalite-(Mn)

    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.
    (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
     
    • New South Wales
      • Yancowinna Co.
    Birch BH Book
    M Willoughby collection
    Domenico Preite specimen
    • South Australia
      • Eyre Peninsula
        • Middleback Range
          • Iron Knob
    Minerals of Iron Monarch, Glyn L. Francis
    Canada
     
    • Northwest Territories
      • Mackenzie District
        • Great Bear Lake
          • Port Radium District
    Mark Mauthner specimen, from Ty Balacko, 19 Jan 1990; Alfredo Petrov collection.
    • Ontario
      • Thunder Bay District
        • Gemmell Township
    Can. Min. 31, 695
    • Québec
      • Nord-du-Québec
        • Matagami
    Can. Min. 31, 695
    China
     
    • Liaoning Province (Manchuria; Dongbei Region)
      • Chaoyang Prefecture
        • Chaoyang Co.
    Yuanming Pan, Fleet, M.E., Barnett, R.L., and Yuan Chen (1993): The Canadian Mineralogist 31, 695-710.
      • Huludao Prefecture
        • Jianchang Co.
          • Bajiazi Zn-Pb-Ag deposit
    Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
    Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
    Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
    Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
    Japan
     
    • Honshu Island
      • Kanto Region
        • Tochigi Prefecture
          • Kanuma City
    Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
          • Nikko City
            • Ashio-machi
    Introduction to Japanese Minerals (Geological Survey of Japan, 1970); Watanabe, T. and Kato, A. (1961) Manganpyrosmalite from the Kyurazawa mine, Tochigi prefecture. Mineralogical Journal, 3, #3, 130-138.
      • Tohoku Region
        • Iwate Prefecture
          • Noda
    Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
    Norway
     
    • Oslo
      • Grorud
        • Bånkall
    Kvamsdal, L. O. & Husdal, T. A. (2014): Pyrosmalitt-(Mn) og pyrosmalitt-(Fe) fra Norge. Stein. 41 (2), 24-25
    Romania
     
    • Suceava Co.
      • Suceava district
        • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
    http://minerals-of-the-carpathians.eu
    Russia
     
    • Urals Region
      • Southern Urals
        • Bashkortostan Republic (Bashkiria Republic)
          • Sibay
    Brusnitsyn, A.I. (2006): Geology of Ore Deposits 48(3), 193-214.
    Slovakia
     
    • Košice Region
      • Gelnica Co.
        • Bystrý Potok
    Rojkovič, I. (2001): Geolines 13, 34-41.
      • Rožňava Co.
        • Rožňava (Rosenau; Rozsnyó)
          • Čučma
    Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    Sweden
     
    • Värmland
      • Filipstad
    No reference listed
        • Persberg district
          • Pajsberg
    Nysten, P. (2004): Harstigen ett mineralogisk eldorado i Bergslagen. Norsk Bergverksmuseum Skrift 28: 5-13
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Engadin
        • Piz Corvatsch
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 267.
    Turkey
     
    • Aegean Region
      • Denizli Province
        • Kale
    Öztürk, H. (1997): Ore Geology Reviews 12, 187-203.
    USA
     
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Ogdensburg
            • Sterling Hill
    Frondel, C. & Bauer, : Am.Min.:38:755-760 (1953); Parker, F. J. & Guy, R.E.: The Picking Table:31(1):6-9 (1990); Dunn(1995):Pt4:478.
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