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Inesite

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Fengjiashan Mine (Daye copper mine), Daye Co., Huangshi Prefecture, Hubei Province, China
© Elmar Lackner

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Formula:
Ca
 
2
(Mn,Fe)
 
7
Si
 
10
O
 
28
(OH)
 
2
 · 5H
 
2
O
System:TriclinicColour:Rose-red, pink, ...
Hardness:5½ - 6
Name:From the Greek for flesh fibers, in allusion to its color and habit
This page provides mineralogical data about Inesite.

Classification of Inesite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/F.27-90
Nickel-Strunz 10th (pending) edition ID:9.DL.05

9 : SILICATES (Germanates)
D : Inosilicates
L : Inosilicates with 5-periodic double chains, Si10O28
Dana 8th edition ID:66.3.3.1

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
3 : Amphiboles - Ca-Na subgroup
Hey's CIM Ref.:14.18.21

14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
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Type Occurrence of Inesite

Type Locality:Hilfe Gottes Mine, Oberscheld, Dillenburg, Dillenburg District, Hesse, Germany
Year of Discovery:1887

Occurrences of Inesite

Geological Setting:Late stage hydrothermal mineral in manganese deposits.

Physical Properties of Inesite

Lustre:Vitreous, Silky
Diaphaneity (Transparency):Translucent
Colour:Rose-red, pink, orange-pink, orange-red-brown
Comment:Weathers to ginger brown
Streak:White
Hardness (Mohs):5½ - 6
Tenacity:Brittle
Cleavage:Perfect
Perfect on {010}
Good on {100}
Fracture:Irregular/Uneven
Density (measured):3.03 - 3.04 g/cm3
Density (calculated):3.03 g/cm3

Crystallography of Inesite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 8.889(2) Å, b = 9.247(2) Å, c = 11.975(3) Å
α = 91.8°, β = 132.58°, γ = 94.37°
Ratio:a:b:c = 0.961 : 1 : 1.295
Unit Cell Volume:V 718.04 ų (Calculated from Unit Cell)
Z:1
Morphology:Slender laths, chisel shaped, fan shaped clusters, fiberous, massive

Optical Data of Inesite

Type:Biaxial (-)
RI values: nα = 1.609 nβ = 1.636 nγ = 1.644
2V:Measured: 60° , Calculated: 56°
Maximum Birefringence:δ = 0.035

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

Chemical Properties of Inesite

Formula:
Ca
 
2
(Mn,Fe)
 
7
Si
 
10
O
 
28
(OH)
 
2
 · 5H
 
2
O
Essential elements:Ca, H, Mn, O, Si
All elements listed in formula:Ca, Fe, H, Mn, O, Si
Common Impurities:Fe,Al,Mg,K

Relationship of Inesite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.DL.10Piergorite-(Ce)
Ca
 
8
(Ce,Th,La,Nd)
 
2
(Al
 
0.5
,Fe
3+
0.5
)(◻,Li,Be)
 
2
Si
 
6
B
 
8
O
 
36
(OH,F)
 
2
Related Minerals - Hey's Index Grouping:

- +
14.18.1Nambulite
(Li,Na)Mn
 
4
Si
 
5
O
 
14
(OH)
14.18.2Natronambulite
(Na,Li)(Mn,Ca)
 
4
Si
 
5
O
 
14
OH
14.18.3Zakharovite
Na
 
4
Mn
 
5
Si
 
10
O
 
24
(OH)
 
6
 · 6H
 
2
O
14.18.4Norrishite
KLiMn
3+
2
(Si
 
4
O
 
10
)O
 
2
14.18.5Shafranovskite
(Na,K)
 
6
(Mn,Fe)
 
3
Si
 
9
O
 
24
 · 6H
 
2
O
14.18.6Abswurmbachite
CuMn
3+
6
(SiO
 
4
)O
 
8
14.18.7Donpeacorite
(Mn
2+
 
,Mg)Mg[SiO
 
3
]
 
2
14.18.8Kanoite
Mn
2+
 
(Mg,Mn
2+
 
)Si
 
2
O
 
6
14.18.9Caryopilite
(Mn,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
14.18.10Gonyerite
(Mn
2+
 
,Mg)
 
5
Fe
3+
 
(Fe
3+
 
Si
 
3
O
 
10
)(OH)
 
8
14.18.11 Tirodite
14.18.12Manganhumite
(Mn
2+
 
,Mg)
 
7
(SiO
 
4
)
 
3
(OH)
 
2
14.18.13Bustamite
CaMn
2+
 
(Si
 
2
O
 
6
)
14.18.14Glaucochroite
CaMn
2+
 
SiO
 
4
14.18.15Truscottite
(Ca,Mn)
 
14
Si
 
24
O
 
58
(OH)
 
8
 · 2H
 
2
O
14.18.16Santaclaraite
CaMn
 
4
[Si
 
5
O
 
14
OH](OH) · H
 
2
O
14.18.17Ferrobustamite
Ca(Fe
2+
 
,Ca,Mn
2+
 
)(Si
 
2
O
 
6
)
14.18.18Johannsenite
CaMn
2+
 
Si
 
2
O
 
6
14.18.19Neltnerite
CaMn
3+
6
(SiO
 
4
)O
 
8
14.18.20Orlymanite
Ca
 
4
Mn
 
3
Si
 
8
O
 
20
(OH)
 
6
 · 2H
 
2
O
14.18.22Orientite
Ca
 
2
Mn
2+
 
Mn
3+
2
(Si
 
3
O
 
10
)(OH)
 
4
14.18.23Ruizite
Ca
 
2
Mn
3+
2
[(OH)
 
2
|H
 
2
Si
 
4
O
 
13
] · 2H
 
2
O
14.18.24Bostwickite
CaMn
 
6
Si
 
3
O
 
16
 · 7H
 
2
O
14.18.25Kittatinnyite
Ca
 
2
Mn
 
2
Mn(SiO
 
4
)
 
2
(OH)
 
4
 · 9H
 
2
O
14.18.26Lithiomarsturite
LiCa
 
2
Mn
 
2
Si
 
5
O
 
14
(OH)
14.18.27Sérandite
Na(Mn
2+
 
,Ca)
 
2
(HSi
 
3
O
 
9
)
14.18.28Kvanefjeldite
Na
 
4
(Ca,Mn)(Si
 
3
O
 
7
)
 
2
(OH)
 
2
14.18.29Marsturite
NaCaMn
 
3
Si
 
5
O
 
14
(OH)
14.18.30Raite
Na
 
4
Mn
2+
3
Ti
 
0.25
Si
 
8
O
 
20
(OH)
 
2
 · 10H
 
2
O
14.18.31Richterite
{Na}{CaNa}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
14.18.32Byelorussite-(Ce)
NaBa
 
2
Ce
 
2
MnTi
 
2
[Si
 
4
O
 
12
]
 
2
O
 
2
(F,OH) · H
 
2
O
14.18.33Deerite
(Fe,Mn)
 
6
(Fe,Al)
 
3
[Si
 
6
O
 
17
]O
 
3
(OH)
 
5
14.18.34Calderite
(Mn
2+
 
,Ca)
 
3
(Fe
3+
 
,Al)
 
2
(SiO
 
4
)
 
3
14.18.35Pyroxmangite
MnSiO
 
3
14.18.36Dannemorite
14.18.37Neotocite
(Mn,Fe,Mg)SiO
 
3
 · H
 
2
O
14.18.38Babingtonite
Ca
 
2
(Fe,Mn)FeSi
 
5
O
 
14
(OH)
14.18.39Manganbabingtonite
Ca
 
2
(Mn,Fe)FeSi
 
5
O
 
14
(OH)
14.18.40Örebroite
Mn
2+
3
(Fe
3+
 
,Sb
5+
 
)(SiO
 
4
)(O,OH)
 
3

Other Names for Inesite

Synonyms:
AgnoliteAngoliteRhodotilite
Other Languages:
German:Agnolit
Agnolith
Angolit
Inesit
Rhodotilit
Japanese:イネス石
Russian:Инезит
Simplified Chinese:红硅钙锰矿
Spanish:Agnolita
Angolita
Inesita
Rhodotilita

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 Inesite

Reference List:

- +
American Mineralogist (1978): 63: 563-571.

Internet Links for Inesite

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Inesite details from Handbook of Mineralogy (PDF)
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    • Localities for Inesite

    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
     
    • New South Wales
      • Yancowinna Co.
    		William R. Ryall and Ian M. Threadgold (1968) Inesite from the Broken Hill lode, New South Wales, Australia. American Mineralogist 53:1614-1634
    Minerals of Broken Hill (1982); William R. Ryall and Ian M. Threadgold (1968) Inesite from the Broken Hill lode, New South Wales, Australia. American Mineralogist 53:1614-1634
    William R. Ryall and Ian M. Threadgold (1968) Inesite from the Broken Hill lode, New South Wales, Australia. American Mineralogist 53:1614-1634
    Birch et al 1982. Minerals of Broken Hill; William R. Ryall and Ian M. Threadgold (1968) Inesite from the Broken Hill lode, New South Wales, Australia. American Mineralogist 53:1614-1634
    China
     
    • Hubei Province
      • Huangshi Prefecture
        • Daye Co.
    		Ottens, B. (2003): Inesit, Hubeit und Japanerzwillinge aus Hubei, China. LAPIS 28 (9), 41-47
    Germany
     
    • Hesse
      • Dillenburg District
        • Dillenburg
          • Oberscheld
    		Jahrb.Preuss.Geol.Landesanst.(1887) p. 472
    Jewell J. Glass and Waldemar T. Schaller (1939) Inesite. American Mineralogist 24:26-39
    Hungary
     
    • Heves Co.
      • Mátra Mts.
        • Gyöngyösoroszi
    		Koch: Minerals of Hungary, 1985
    Indonesia
     
    • Jawa Island (Java Island)
      • Banten Province
        • Cikotok Gold District
    		CanMin 38: 1125-1136 (2000)
    • Sumatera Island (Sumatra Island)
      • Bengkulu Province (Benkoelen Province; Benkulen Province)
        • Rejang Lebong District (Rediang Lebong District)
    		Canadian Mineralogist Vol. 16, pp. 651-657 (1978)
    Italy
     
    • Liguria
      • Genova Province
        • Ne
          • Graveglia Valley
            • Reppia
    		Rivista Mineralogica Italiana, (4), 131
      • La Spezia Province
        • Rocchetta Vara
    		Borgo, E., & Palenzona, A. (1988): I nostri minerali. Geologia e mineralogia in Liguria. Aggiornamento 1988. EE. VV. 48 pp. Passarino, G. (2009): L'inesite della miniera di Monte Nero, Rocchetta Vara, Val di Vara, La Spezia. Rivista Mineralogica Italiana, 4/2009, 260-262.
    • Lombardy
      • Sondrio Province
        • Novate Mezzola
          • Codera Valley
    		Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
    Japan
     
    • Hokkaido
      • Abashiri Province
        • Kitami City
    		Akira Kato (2011) Explanations of distributed specimens at the Ordinary Meeting of Mumeikai Group, No. 34 (January, 2011).; Kenji Togari, Masahide Akasaka and Yoshiyuki Kawaguchi (1986) INESITE FROM THE KOKURIKI MINE, HOKKAIDO, JAPAN. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, vol. 21, no. 4, Feb., 1986, pp. 669-677.
      • Shiribeshi Province
        • Shakotan peninsula
          • Furubira
    		Janet Clifford (2011) Rocks & Minerals, 86, #3, 254-255.
        • Yoichi
    		Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
    • Honshu Island
      • Chubu Region
        • Niigata Prefecture
    		Janet Clifford (2011) Rocks & Minerals, 86, #3, 254-255.
        • Shizuoka Prefecture
          • Amagi-Yugashima
    		Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
          • Shimoda City
            • Rendaiji
    		Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo; (Masutomi Museum specimen, Kyoto; Takasu, S. (1955) On inesite from Rendaiji. Mineralogical Journal, 1, 242-249.
          • Toi-cho
    		Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
      • Tohoku Region
        • Akita Prefecture
          • Ogachi
    		J. Kitahara analysis; Kenji Togari, Masahide Akasaka and Yoshiyuki Kawaguchi (1986) INESITE FROM THE KOKURIKI MINE, HOKKAIDO, JAPAN. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, vol. 21, no. 4, Feb., 1986, pp. 669-677.
        • Iwate Prefecture
    		Janet Clifford (2011) Rocks & Minerals, 86, #3, 254-255.
          • Noda
    		Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
    • Shikoku Island
      • Kochi Prefecture
    		Yoshimura, T. and Momoi, H. (1960) Inesite from the Kacho mine, Kochi Prefecture. Koubutsugaku Zasshi, 5, 1-10.
    Mexico
     
    • Durango
      • Mun. de Tamazula
        • Rancho Ventana
    		No reference listed; Panczner (1987): 239.; Farrington, O. C. (1900) New mineral occurrences. Field Columbian Mus. Pub. 44, Geol,. Ser. l, (7),221-231.
    New Zealand
     
    • North Island
      • Waikato
        • Waihi
    		R.L. Brathwaite and K. Faure, Economic Geology, Vol. 97, 2002, pp. 269-290.
    Slovakia
     
    • Banská Bystrica Region
      • Banská Štiavnica Co.
    		[Clark, 1993 - "Hey's Mineral Index"]
      • Žarnovica Co.
    		Koděra, M., a kol.: Topografická mineralogie Slovenska. Sv. 1 A-Kl, Bratislava, Veda 1986, s. 448-472.
    South Africa
     
    • Northern Cape Province
      • Kalahari manganese fields
        • Black Rock
    		Rock Currier photo
        • Hotazel
    		Gutzmer, J. & Cairncross, B. (1993): Recent discoveries from the Wessels mine South Africa. Mineralogocal Record 24 (5): 365-368
        • Kuruman
    		Mineralogical Record (2001) 32:252
    Minerals of South Africa
    Spain
     
    • Catalonia
      • Barcelona
        • Vallès Oriental
          • Gualba de Dalt
    Joan Rosell specimen
    Sweden
     
    • Dalarna
      • Hedemora
        • Garpenberg
    		Grensman, F., Kalinowski, M.P. and Sandström, F. (2001): Garpenberg Norra. Litofilen. 18 (2), 26-46.
    • Södermanland
      • Strängnäs
        • Åker
    		No reference listed
    • Värmland
      • Filipstad
    		Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183. ; K:Gatedal
        • Nordmark (Nordmarksberg)
    		GFF 15, 538; Kjell Gatedal
        • Persberg district
          • Pajsberg
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1037.
    • Västmanland
      • Hällefors
        • Grythyttan
    		No reference listed
    USA
     
    • California
      • Alameda Co.
        • Diablo Range
          • Livermore District (Tesla District)
            • Mendenhall Springs
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 101, 228.
      • Mendocino Co.
        • Coastal Range
          • Hearst
            • Sanhedrin Mountain
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 278.
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 101, 228.
          • Reeves Place
    		Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 116; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 414.
      • San Joaquin Co.
        • Diablo Range
          • Ladd-Buckeye District
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 101, 228.
            • Ladd
              • Corral Hollow
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geol. Bulletin 189: 228.
      • Stanislaus Co.
        • Diablo Range
          • Ladd-Buckeye District
            • Vernalis
              • Hospital Creek
    		Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 217-218, 287-288; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 414.
      • Trinity Co.
        • Hale Creek-Mad River junction area
    		MinDat inesite photo gallery
        • Mad River area
    		Trask, Parker Davies, Ivan F. Wilson & F.S. Simons (1943), Manganese deposits of California – a summary report: California Division Mines Bulletin 125: 198; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 414.
        • Mad River Ridge
    		Trask, Parker Davies, Ivan F. Wilson & F.S. Simons (1943), Manganese deposits of California – a summary report: California Division Mines Bulletin 125: 59; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 414.
    • Colorado
      • Mineral Co.
        • Creede District
    		Minerals of Colorado (1997) Eckels, E. B.
    • Washington
      • Clallam Co.
        • Lake Crescent
    		Cannon, B. (1975): Minerals of Washington, p.38,62
      • Jefferson Co.
    		Jewell J. Glass and Waldemar T. Schaller (1939) Inesite. American Mineralogist 24:26-39
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