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Inesite

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Fengjiashan Mine (Daye Copper mine), Edong Mining District, 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
2+
2
[(OH)
 
2
|Si
 
4
O
 
10
]
14.18.5Shafranovskite
(Na,K)
 
6
(Mn,Fe)
 
3
Si
 
9
O
 
24
·6H
 
2
O
14.18.6Abswurmbachite
CuMn
3+
6
O
 
8
(SiO
 
4
)
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,Mg)
 
5
Fe(Si
 
3
Fe)O
 
10
(OH)
 
8
14.18.11 Tirodite
14.18.12Manganhumite
(Mn
2+
 
,Mg)
 
7
[(OH)
 
2
|(SiO
 
4
)
 
3
]
14.18.13Bustamite
(Mn
2+
 
,Ca)[SiO
 
3
]
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
[O
 
8
|SiO
 
4
]
14.18.20Orlymanite
Ca
 
4
Mn
 
3
Si
 
8
O
 
20
(OH)
 
6
·2H
 
2
O
14.18.22Orientite
Ca
 
2
MnMn
 
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,Ca)
 
4
(Mn,Ti,Fe)
 
3
Si
 
8
O
 
16
(OH)
 
12
·5H
 
2
O
14.18.31Richterite
Na[CaNa][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
14.18.32Byelorussite-(Ce)
Ba
 
2
NaCe
 
2
MnTi
 
2
Si
 
8
O
 
26
(F,OH) · H
 
2
O
14.18.33Deerite
(Fe,Mn)
 
6
(Fe,Al)
 
3
Si
 
6
O
 
20
(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+
 
)[(O,OH)
 
3
|SiO
 
4
]

Other Names for Inesite

Synonyms:
AgnoliteAngoliteRhodotilite
Other Languages:
German:Agnolit
Agnolith
Angolit
Inesit
Rhodotilit
Japanese:イネス石
Russian:Инезит
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.

Articles/Blogs about Inesite

Internet Links for Inesite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Inesite in the Natural History Museum (London) online catalogue
  • Inesite details from Handbook of Mineralogy (PDF)
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    Localities for Inesite

    Hide Locality List
    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.
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    (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.
    		No reference listed
    Birch et al 1982. Minerals of Broken Hill
    Belgium
     
    • Namur Province
      • Nismes
    		Collection Richard De Nul
    China
     
    • Hubei Province
      • Huangshi Prefecture
        • Daye Co.
          • Edong Mining District
    		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
    Hungary
     
    • Heves Co.
      • Mátra Mts.
        • Gyöngyösoroszi
    		Koch: Minerals of Hungary, 1985
    Indonesia
     
    • Java
      • West Java Province
    		CanMin 38: 1125-1136 (2000)
    Italy
     
    • Liguria
      • Genova Province
        • Ne
          • Graveglia Valley
            • Reppia
    		Rivista Mineralogica Italiana, (4), 131
      • La Spezia Province
        • Rocchetta Vara
    		Palenzona et al., 2002. La geigerite della miniera di Monte Nero (Rocchetta Vara, La Spezia). Riv. Miner. Ital., 2: 75-76.
    • 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 Island
      • Shiribeshi Province
    		Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
    • Honshu Island
      • Chubu Region
        • 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; also widely distributed in private collections in Japan)
    Mexico
     
    • Durango
      • Mun. de Tamazula
        • Rancho Ventana
    		Panczner (1987): 239.
    No reference listed
    New Zealand
     
    • North Island
      • Waikato
        • Waihi
    		R.L. Brathwaite and K. Faure, Economic Geology, Vol. 97, 2002, pp. 269-290.
    Slovakia
     
    • Banská Bystrica Region
      • Štiavnica Mts
        • Banská Štiavnica Mining District
    		[Clark, 1993 - "Hey's Mineral Index"]
    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
        • Hotazel
    		Minerals of South Africa
        • N'Chwaning Mines
    Minerals of South Africa
    Spain
     
    • Catalonia
      • Barcelona
        • Vallès Oriental
          • Gualba de Dalt
    Sweden
     
    • Dalarna
      • Hedemora
        • Garpenberg
    		No reference listed
    • Södermanland
      • Strängnäs
    		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
    		GFF 15, 538; Kjell Gatedal
        • 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
      • Trinity Co.
    		MinDat inesite photo gallery
        • Mad River Ridge
    		Pemberton, H.E. (1983) Minerals of California. Van Norstrand Reinhold
    • 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
    Mineral and/or Locality
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