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Inesite

A valid IMA mineral species - grandfathered
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This page provides mineralogical data about Inesite.


Unique Identifiers

IMA Formula:
Ca2Mn2+7Si10O28(OH)2 · 5H2O
First published:
1887
Type description reference:
Schneider, A. (1887) Verhandlungen der Gesellschaft. Protokoll der November - Sitzung. Über neue manganerze aus dem Dillenburgischen.Zeitschrift der Deutschen Geologischen Gesellschaft, 39. 829-855

Classification of Inesite

9 : SILICATES (Germanates)
D : Inosilicates
L : Inosilicates with 5-periodic double chains, Si10O28

Dana 8th ed.:
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

Mineral Symbols
Transparency:
Translucent
Colour:
Rose-red, pink, orange-pink, orange-red-brown
Comment:
Weathers to ginger brown
Streak:
White
Hardness:
5½ - 6 onMohs scale
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {010}
Good on {100}
Fracture:
Irregular/Uneven
Density:
3.03 - 3.04 g/cm3 (Measured)    3.03 g/cm3 (Calculated)

Optical Data of Inesite
Surface Relief:
Moderate
Dispersion:
r > v distinct
Optical Extinction:
X ∧ c = 74°; Y ∧ c = 32°; Z ∧ c = 62°.

Chemistry of Inesite
Common Impurities:
Fe,Al,Mg,K

Crystallography of Inesite
General Appearance of Type Material:
Radial aggregates of pink-red crystals up to 2 cm long by 1.5 mm.
Place of Conservation of Type Material:
Mineralogisches Museum, Philipps Universität Marburg, Germany, number MMM K35/14 (holotype).
Associated Minerals at Type Locality:
Calcite
Reference:
Schneider, A. (1887) Verhandlungen der Gesellschaft. Protokoll der November - Sitzung. Über neue manganerze aus dem Dillenburgischen.Zeitschrift der Deutschen Geologischen Gesellschaft, 39. 829-855

Synonyms of Inesite

Other Language Names for Inesite

Common AssociatesMon. 2/m :P2/b

Other Information
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    • References for Inesitedoi:10.1007/bf00592183
    Otroshchenko, L.P., Simonov, V.I., Belov, N.V.E. (1978) Crystal structure of inesite, Ca2Mn7Si10O28(OH)2·5H2O. Doklady Akademii Nauk: 238(6): 1344-1347.
    Wan, Che'ng, Ghose, Subrata (1978) Inesite, a hydrated calcium manganese silicate with five-tetrahedral-repeat double chains.American Mineralogist, 63 (5-6) 563-571
    Van Loenen, Richard E. (1980) Mineralogical Notes - Inesite, a New U.S. Occurrence near Creede, Mineral County, Colorado.The Mineralogical Record, 11 (1) Tucson. 35-36
    Abrecht, J. (1984) Dehydration reactions of inesite, Ca2Mn7Si10O28(OH)2•5H2O. Neues Jahrbuch für Mineralogie Monatshefte: (2): 70-82.
    Togari, K., Akasaka, M., Kawaguchi, Y. (1986) Inesite from the Kokuriki Mine, Hakkaido, Japan. Journal of the Faculty of Science, Hokkaido University, Ser. IV: 21(4): 669-677.
    Dunning, Gail E., Cooper, Joseph F. Jr. (1987) Inesite from the Hale Creek Mine, Trinity County, California.The Mineralogical Record, 18 (5) Tucson. 341-347
    De Bruiyn, H., Schoch, A.E., Van Der Westhuizen, W.A., Beukes, G.J. (1999) The chemical composition of xonotlite and associated inesite from the Nchwaning and Wessels mines, Kalahari manganese field, South Africa. Neues Jahrbuch für Mineralogie Monatshefte: (5): 212-222.
    (2001) Inesite.Handbook of Mineralogy. Mineralogical Society of America
    Passarino, G. (2009): L'inesite della miniera di Monte Nero, Rocchetta Vara, Val di Vara, La Spezia. Rivista Mineralogica Italiana, 4/2009, 260-262.
    Clifford, Janet H. (2011) Connoisseur's Choice: Inesite, Wessels Mine, Northwest of Kuruman, Kalahari Manganese District, Cape Province, South Africa.Rocks & Minerals, 86 (3) 250-260doi:10.1080/00357529.2011.568351
    Frost, Ray L., López, Andrés, Xi, Yunfei, Scholz, Ricardo (2014) A vibrational spectroscopic study of the silicate mineral inesite Ca2(Mn,Fe)7Si10O28(OH)⋅5H2O.Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 128. 207-211doi:10.1016/j.saa.2014.02.115

    Localities for InesiteMcQueen+2 other referencesRyall et al. (1968)Ryall et al. (1968)Ryall et al. (1968)+1 other referenceRyall et al. (1968)+1 other referenceFred Rose (employee of drilling company during exploration and original owner of 50 specimens collected from this time)+1 other referenceKim Macdonald
    China
     
    Hawthorne et al. (2002)+1 other reference
    Germany
     
    Glass et al. (1939)Jahrb.Preuss.Geol.Landesanst. (1887)
    Hungary
     
    Koch (1985)
    Indonesia
     
    Canadian Mineralogist 38: 1125-1136 (2000)Barton et al. (1978)
    Italy
     
    Balestra (2016)Pipino (1984)Borgo et al. (1988)+1 other referenceGhizzoni et al. (2005)
    Japan
     
    Arribas et al. (2018)J. Kitahara analysis+1 other referenceKenji Togari (1986)+2 other referencesJanet Clifford (2011)Introduction to Japanese Minerals (Geological Survey of Japan, 1970)Janet Clifford (2011)- (n.d.)Yoshimura et al. (1960)Janet Clifford (2011)- (n.d.)- (n.d.)Masutomi Museum specimen (Kyoto)+2 other references
    Mexico
     
    Farrington (1900)+1 other reference
    New Zealand
     
    Brathwaite et al. (2002)+1 other reference
    Norway
     
    Goldschmidt (1911)+1 other reference
    Romania
     
    Hîrtopanu P. et al. (2022)Hîrtopanu (1997)+1 other reference
    Slovakia
     
    Clark (1993)Kodě+1 other reference
    South Africa
     
    Rock Currier photoMoore (2001)Cairncross et al. (1995)Cairncross et al. (1993)+1 other reference
    Spain
     
    Calvo (2018)Joan Rosell specimen
    Sweden
     
    Grensman et al. (2001)Natural History Museum Stockholm ...+1 other referenceGatedal (n.d.)+1 other referenceGFF 15+1 other referenceFlink (1888)+1 other reference
    USA
     
    Murdoch (1966)- (2005)Murdoch (1966)Murdoch (1966)Trask (1950)+2 other referencesMurdoch (1966)Murdoch (1966)Huebner+6 other referencesTrask et al. (1943)+2 other referencesHuebner+6 other referencesFoley+4 other referencesCannon (1975)Glass et al. (1939)
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