Kellyite (original) (raw)

A valid IMA mineral species

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About KellyiteHide

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Formula:

Mn2+2Al(AlSiO5)(OH)4

Name:

Named in honor of William Crowley Kelly (b. 1929), Professor in the Department of Geology and Mineralogy, University of Michigan, Ann Arbor, Michigan, USA, and administrator, for his contributions to the study of worldwide ore deposits.

This page provides mineralogical data about Kellyite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:2180:3

137aa035-5b2a-412c-8049-4aa9745e4faa

IMA Classification of KellyiteHide

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IMA Formula:

(Mn2+,Mg,Al)3(Si,Al)2O5(OH)4

Classification of KellyiteHide

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9.ED.15

9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets

71.1.2c.5

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
1 : Sheets of 6-membered rings with 1:1 layers

16.16.6

16 : Silicates Containing Aluminum and other Metals
16 : Aluminosilicates of Mn

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Symbol Source Reference
Kly IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Kly Warr (2020) Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30

Physical Properties of KellyiteHide

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Cleavage:

Perfect
Perfect on {0001}.

Density:

3.07 g/cm3 (Measured) 3.11 g/cm3 (Calculated)

Optical Data of KellyiteHide

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RI values:

_n_ω = 1.646 _n_ε = 1.639

δ = 0.007

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Optical Extinction:

X ⊥ (001).

Comments:

X = colorless to greenish yellow; Y = Z = pale yellow
to reddish brown.

Chemistry of KellyiteHide

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Mindat Formula:

Mn2+2Al(AlSiO5)(OH)4

Common Impurities:

Ti,Fe,H2O

Crystallography of KellyiteHide

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Class (H-M):

6 - Pyramidal

Cell Parameters:

a = 5.438(8) Å, c = 14.04(1) Å

Unit Cell V:

359.56 ų (Calculated from Unit Cell)

Morphology:

Irregular to platy tablets and laths, to 3 mm.

Comment:

Z is inferred (Handbook of Mineralogy).

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
3.51 Å (100)
7.0 Å (90)
2.53 Å (60)
2.67 Å (40)
2.34 Å (40)
1.954 Å (30)
1.570 Å (30)

Comments:

Bald Knob, North Carolina, USA. Data from the type description.

Geological EnvironmentHide

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Type Occurrence of KellyiteHide

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General Appearance of Type Material:

Transparent, yellow, 1 mm sized grains dispersed within manganese carbonates. Irregular-to-platy yellow tablets and laths.

Place of Conservation of Type Material:

National Museum of Natural History, Washington, D.C., USA, numbers 127101 and 137140/1 (cotype/type).
University of Michigan, Ann Arbor, USA, (cotype).

Geological Setting of Type Material:

Associated Minerals at Type Locality:

Synonyms of KellyiteHide

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Other Language Names for KellyiteHide

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Relationship of Kellyite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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9.ED. Clinochrysotile Mon. 2/m
9.ED.05 Dickite Al2(Si2O5)(OH)4 Mon. m : B b
9.ED.05 Kaolinite Al2(Si2O5)(OH)4 Tric. 1 : _P_1
9.ED.05 Nacrite Al2(Si2O5)(OH)4 Mon. m : B b
9.ED.05 Odinite (Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4 Mon. m : B m
9.ED.10 Halloysite Al2(Si2O5)(OH)4 Mon. m : B b
9.ED.10 Hisingerite Fe3+2(Si2O5)(OH)4 · 2H2O Mon.
9.ED.10 Hydrohalloysite Al2Si2O5(OH)4 · 2H2O Mon. m
9.ED.15 Amesite Mg2Al(AlSiO5)(OH)4 Tric. 1 : _P_1
9.ED.15 Antigorite Mg3(Si2O5)(OH)4 Mon. m : B m
9.ED.15 Berthierine (Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4 Mon. m : B m
9.ED.15 Brindleyite (Ni,Al)3(Si,Al)2O5(OH)4 Mon.
9.ED.15 Caryopilite Mn2+3Si2O5(OH)4 Mon.
9.ED.15 Cronstedtite Fe2+2Fe3+((Si,Fe3+)2O5)(OH)4 Trig. 3_m_ : P_31_m
9.ED.15 Fraipontite (Zn,Al)3((Si,Al)2O5)(OH)4 Mon.
9.ED.15 Greenalite (Fe2+,Fe3+)2-3Si2O5(OH)4 Mon.
9.ED.15 Lizardite Mg3(Si2O5)(OH)4 Trig. 3_m_ : P_31_m
9.ED.15 Manandonite Li2Al4(Si2AlB)O10(OH)8 Orth. 222 : _C_2221
9.ED.15 Népouite Ni3Si2O5(OH)4 Orth.
9.ED.15 Pecoraite Ni3(Si2O5)(OH)4 Mon.
9.ED.15 Guidottiite Mn2Fe3+(Fe3+SiO5)(OH)4 Hex. 6 : _P_63
9.ED.15 va Chromoamesite Mg2(Al,Cr)(AlSiO5)(OH)4
9.ED.20 Allophane (Al2O3)(SiO2)1.3-2 · 2.5-3H2O Amor.
9.ED.20 Chrysocolla Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 Orth.
9.ED.20 Imogolite Al2SiO3(OH)4
9.ED.20 Neotocite (Mn,Fe,Mg)SiO3 · H2O Amor.
9.ED.25 Bismutoferrite Fe3+2Bi(SiO4)2(OH) Mon. m : B m
9.ED.25 Chapmanite Fe3+2Sb3+(Si2O5)O3(OH) Mon. m : B m
9.ED.30 Pianlinite Al2Si2O6(OH)2 Orth.

Other InformationHide

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Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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References for KellyiteHide

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Reference List:

Peacor, Donald R., Essene, Eric J., Simmons, William B., Bigelow, and Wilbur C. (1974) Kellyite, a new Mn-Al member of the serpentine group from Bald Knob, North Carolina, and new data on grovesite. American Mineralogist, 59 (11-12) 1153-1156

Localities for KellyiteHide

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This 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.

Locality ListHide

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Austria
Tyrol Innsbruck-Land District Trins ⓘ Kirchdachspitze Kolitsch et al. (2021)
Lienz District Prägraten am Großvenediger Timmelbach valley ⓘ Wunwand (Wunspitze) Kolitsch et al. (2019)
Canada
Nova Scotia Yarmouth Co. Argyle East Kemptville ⓘ East Kemptville Tin-Indium Project (East Kemptville Tin Mine) Richardson (1988) +1 other reference
Québec Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH) HORVÁTH et al. (2000)
China
Yunnan Dali Heqing County ⓘ Heqing Mn deposit Yuchun Yang (1990)
France
Auvergne-Rhône-Alpes Savoie Saint-Jean-de-Maurienne Bessans ⓘ Le Coin ? Chopin (1978)
Bonneval-sur-Arc ⓘ Ouille du Midi ? Chopin (1978)
Japan
Fukui Prefecture Mikatakaminaka District Wakasa-cho ⓘ Fujii mine Matsubara & Kato (1986)
Kyoto Prefecture Nantan City Miyama ⓘ Tanba mine Yamada (2004)
Saitama Prefecture Chichibu City Urayama ⓘ Hirogawara mine (Hirogawarasawa) K. Nishikubo et al. (2005) +1 other reference
Romania
ⓘ Bistriţa Mn belt Hîrtopanu et al. (2003) +1 other reference
Maramureș County Târgu Lăpuș ⓘ Răzoare Paulina HIRTOPANU & Gheorghe UDUBASA (2015) +1 other reference
Suceava County Iacobeni Tolovanu ⓘ Tolovanu (Tolovan) Mn deposit Hîrtopanu (1997) +1 other reference
Russia
Komi Republic ⓘ Parnok Fe-Mn deposit (Parnokskoye deposit) webmineral.ru (2020)
Sverdlovsk Oblast Sysertsky District ⓘ Borodulinskoe deposit Brusnitsyn (2000)
Sedel'nikovo ⓘ Malosedel'nikovskoe deposit Brusnitsyn A.I. (2000)
UK
Wales Gwynedd Llanfair ⓘ Llyn du Bach mine Cotterell (2013)
USA (TL)
North Carolina Alleghany County Sparta Bald Knob ⓘ Bald Knob deposit (TL) Rocks & Min.: 60:130-135. +1 other reference