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Alleghanyite

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Formula:
Mn
2+
5
(SiO
 
4
)
 
2
(OH)
 
2
System:MonoclinicColour:Pinkish to reddish ...
Hardness:
Member of:Manganhumite-series Group > Humite Group
Name:Named in 1932 by Clarence S. Ross and Paul F. Kerr after the type locality occurrence in Alleghany County, North Carolina, USA.
Isostructural with:Chegemite, Chondrodite, Edgrewite, Humite, Hydroxylchondrodite, Hydroxylclinohumite, Jerrygibbsite, Kumtyubeite, Leucophoenicite, Manganhumite, Norbergite, Reinhardbraunsite, Ribbeite, Sonolite


Maybe a pink to red-brown fine-grained masses or rare crystals on vein fractures.

Classification of Alleghanyite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/B.04-60
Nickel-Strunz 10th (pending) edition ID:9.AF.45

9 : SILICATES (Germanates)
A : Nesosilicates
F : Nesosilicates with additional anions; cations in [4], [5] and/or only [6] coordination
Dana 8th edition ID:52.3.2b.1

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
3 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Hey's CIM Ref.:14.17.4

14 : Silicates not Containing Aluminum
17 : Silicates of Mn
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Type Occurrence of Alleghanyite

Type Locality:Bald Knob deposit (Primary ore body; Crouse Knob deposit), Bald Knob, Sparta, Alleghany Co., North Carolina, USA
Year of Discovery:1932
Geological Setting of type material:Hydrothermally deposited, in lenses in a manganese-bearing vein
Associated Minerals at type locality:
SpessartineRhodoniteGalaxite

Occurrences of Alleghanyite

Geological Setting:in veins crosscutting franklinite ore near pegmatites in a metamorphosed stratiform Zn-Mn deposit

Physical Properties of Alleghanyite

Lustre:Sub-Vitreous, Resinous, Waxy, Dull
Diaphaneity (Transparency):Transparent, Translucent
Colour:Pinkish to reddish brown, deep pink, grayish pink
Comment:in thin section, pink or buff in thick plates
Streak:Very pale pink
Hardness (Mohs):
Tenacity:Brittle
Cleavage:Distinct/Good
Good to poor
Fracture:Conchoidal, Sub-Conchoidal
Density (measured):3.93 - 4.02 g/cm3
Density (calculated):3.96 g/cm3

Crystallography of Alleghanyite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/b
Space Group Setting:P21/b
Cell Parameters:a = 8.27Å, b = 4.85Å, c = 10.72Å
β = 104.64°
Ratio:a:b:c = 1.705 : 1 : 2.21
Unit Cell Volume:V 416.01 ų (Calculated from Unit Cell)
Z:2
Morphology:Crystals often rounded, slender; in stout plates, some longitudinally deeply striated. As fan-shaped aggregates; commonly irregular, massive.
Twinning:On {001} , lamellar, common; also on {105} , {305} .
Comment:Various settings reported
X-Ray Powder Diffraction:
d-spacingIntensity
3.10 (100)
2.84 (70)
2.75 (40)
2.70 (40)
2.59 (40)
2.33 (50)
1.79 (60)
Comments:ICDD 43-683; see also ICDD 39-1348

Optical Data of Alleghanyite

Type:Biaxial (-)
RI values: nα = 1.756 nβ = 1.780 nγ = 1.792
2V:Measured: 72° , Calculated: 68°
Birefringence:0.036
Maximum Birefringence:δ = 0.036

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v
Optical Extinction:X ^ a = 35°, Z = b (olivine setting). OAP perpendicular to {100}
Pleochroism:Weak
Comments:X brown, Y light brown, Z colorless

Chemical Properties of Alleghanyite

Formula:
Mn
2+
5
(SiO
 
4
)
 
2
(OH)
 
2
Simplified for copy/paste:Mn2+5(SiO4)2(OH)2
Essential elements:H, Mn, O, Si
All elements listed in formula:H, Mn, O, Si
Analytical Data:Soluble to a silica gel in 1:1 HCl
Common Impurities:Ti,Al,Fe,Mg,Ca,F

Relationship of Alleghanyite to other Species

Member of:Manganhumite-series Group > Humite Group
Other Members of Group:

- +
Manganhumite
(Mn
2+
 
,Mg)
 
7
(SiO
 
4
)
 
3
(OH)
 
2
Sonolite
Mn
2+
9
(SiO
 
4
)
 
4
(OH,F)
 
2
Common Associates:
WillemiteMagnussoniteKraissliteKoliciteHoldenite
FrankliniteChlorophoeniciteCalciteBaryteAdelite
Related Minerals - Nickel-Strunz Grouping):

- +
9.AF.05Sillimanite
Al
 
2
(SiO
 
4
)O
9.AF.10Andalusite
Al
 
2
(SiO
 
4
)O
9.AF.10Kanonaite
Mn
3+
 
Al(SiO
 
4
)O
9.AF.15Kyanite
Al
 
2
(SiO
 
4
)O
9.AF.20Mullite
Al
 
4+2x
Si
 
2-2x
O
 
10-x
9.AF.20Krieselite
(Al,Ga)
 
2
(GeO
 
4
)(OH)
 
2
9.AF.23Boromullite
Al
 
9
BSi
 
2
O
 
19
9.AF.25Yoderite
Mg(Al,Fe
3+
 
)
 
3
(SiO
 
4
)
 
2
O(OH)
9.AF.30Magnesiostaurolite
(Mg,Li,Fe
2+
 
)
 
1.5-2
Al
 
9
(SiO
 
4
)
 
4
O
 
6
(OH)
 
2
9.AF.30Staurolite
(Fe
2+
 
,Mg,Zn)
 
1.5-2
Al
 
9
(SiO
 
4
)
 
4
O
 
6
(OH,O)
 
2
9.AF.30Zincostaurolite
(Zn,Li,Fe
2+
 
,Mg)
 
1.5-2
Al
 
9
(SiO
 
4
)
 
4
O
 
6
(OH)
 
2
9.AF.35Topaz
Al
 
2
(SiO
 
4
)(F,OH)
 
2
9.AF.40Norbergite
Mg
 
3
(SiO
 
4
)(F,OH)
 
2
9.AF.45Chondrodite
(Mg,Fe
2+
 
)
 
5
(SiO
 
4
)
 
2
(F,OH)
 
2
9.AF.45Reinhardbraunsite
Ca
 
5
(SiO
 
4
)
 
2
(OH,F)
 
2
9.AF.45Kumtyubeite
Ca
 
5
(SiO
 
4
)
 
2
F
 
2
9.AF.45Hydroxylchondrodite
Mg
 
5
(SiO
 
4
)
 
2
(OH)
 
2
9.AF.50Humite
(Mg,Fe
2+
 
)
 
7
(SiO
 
4
)
 
3
(F,OH)
 
2
9.AF.50Manganhumite
(Mn
2+
 
,Mg)
 
7
(SiO
 
4
)
 
3
(OH)
 
2
9.AF.50Unnamed (Ca-analogue of Humite)
Ca
 
7
(SiO
 
4
)
 
4
F
 
2
9.AF.55Clinohumite
Mg
 
9
(SiO
 
4
)
 
4
F
 
2
9.AF.55Sonolite
Mn
2+
9
(SiO
 
4
)
 
4
(OH,F)
 
2
9.AF.55Hydroxylclinohumite
Mg
 
9
(SiO
 
4
)
 
4
(OH)
 
2
9.AF.60Leucophoenicite
Mn
2+
7
(SiO
 
4
)
 
3
(OH)
 
2
9.AF.65Ribbeite
(Mn
2+
 
,Mg)
 
5
(SiO
 
4
)
 
2
(OH)
 
2
9.AF.70Jerrygibbsite
Mn
2+
9
(SiO
 
4
)
 
4
(OH)
 
2
9.AF.75Franciscanite
Mn
2+
6
(V
5+
 
,☐)
 
2
(SiO
 
4
)
 
2
(O,OH)
 
6
9.AF.75Örebroite
Mn
2+
3
(Sb
5+
 
,Fe
3+
 
)(SiO
 
4
)(O,OH)
 
3
9.AF.75Welinite
Mn
2+
6
(W
6+
 
,Mg)
 
2
(SiO
 
4
)
 
2
(O,OH)
 
6
9.AF.80Ellenbergerite
Mg
 
6
(Mg,Ti,Zr,◻)
 
2
(Al,Mg)
 
6
Si
 
8
O
 
28
(OH)
 
10
9.AF.85Chloritoid
(Fe
2+
 
,Mg,Mn
2+
 
)Al
 
2
(SiO
 
4
)O(OH)
 
2
9.AF.85Magnesiochloritoid
MgAl
 
2
(SiO
 
4
)O(OH)
 
2
9.AF.85Ottrélite
(Mn
2+
 
,Fe
2+
 
,Mg)Al
 
2
(SiO
 
4
)O(OH)
 
2
9.AF.90Poldervaartite
CaCa[SiO
 
3
(OH)](OH)
9.AF.90Olmiite
CaMn
2+
 
[SiO
 
3
(OH)](OH)
Related Minerals - Hey's Index Grouping:

- +
14.17.1Rhodonite
MnSiO
 
3
14.17.2Tephroite
Mn
2+
2
SiO
 
4
14.17.3Braunite
Mn
2+
 
Mn
3+
6
(SiO
 
4
)O
 
8
14.17.5Ribbeite
(Mn
2+
 
,Mg)
 
5
(SiO
 
4
)
 
2
(OH)
 
2
14.17.6Leucophoenicite
Mn
2+
7
(SiO
 
4
)
 
3
(OH)
 
2
14.17.7Jerrygibbsite
Mn
2+
9
(SiO
 
4
)
 
4
(OH)
 
2
14.17.8Bementite
Mn
 
7
Si
 
6
O
 
15
(OH)
 
8
14.17.9Parsettensite
K
 
1.2
Mn
 
8
(Si,Al)
 
12
O
 
26
(OH)
 
10
14.17.10Yofortierite
Mn
 
5
Si
 
8
O
 
20
(OH)
 
2
· 8-9H
 
2
O

Other Names for Alleghanyite

Other Languages:
German:Alleghanyit
Russian:Аллеганит
Simplified Chinese:粒硅锰矿
Spanish:Alleghanyita

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 Alleghanyite

Reference List:

- +
Ross, Clarence S. and Kerr, Paul F. (1932) American Mineralogist: 17: 1-15.

Zeitschrift für Kristallographie: 132: 1-18.

Best Localities for Alleghanyite

Best of Species:Alleghanyite

Internet Links for Alleghanyite

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

    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.
    China
     
    • Guangxi Zhuang Autonomous Region
      • Baise Prefecture
        • Jingxi Co.
    Yang Yuchun (1996): Acta Petrologica et Mineralogica 15(2), 186-190
    • Hunan Province
      • Xiangtan Prefecture
    Yang Yuchun (1996): Acta Petrologica et Mineralogica 15(2), 186-190
    • Shaanxi Province
      • Ankang Prefecture
        • Ziyang Co.
    Yang Yuchun (1996): Acta Petrologica et Mineralogica 15(2), 186-190; Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
      • Hanzhong Prefecture
        • Xixiang Co.
    Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
        • Zhenba Co.
    Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
    • Sichuan Province
      • Dazhou Prefecture
        • Wanyuan Co.
    Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
    Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
      • Ya'an Prefecture
        • Hanyuan Co.
    Yang Yuchun (1996): Acta Petrologica et Mineralogica 15(2), 186-190
    • Yunnan Province
      • Dali Autonomous Prefecture
        • Heqing Co.
    Yuchun Yang (1990): Geology and Prospecting 26(8), 20-23
    Yang Yuchun (1996): Acta Petrologica et Mineralogica 15(2), 186-190
      • Wenshan Autonomous Prefecture
        • Yanshan Co.
    Yang Yuchun (1996): Acta Petrologica et Mineralogica 15(2), 186-190
    France
     
    • Midi-Pyrénées
      • Hautes-Pyrénées
    Le Règne Minéral 47: 5-21
          • Vielle Aure
    DE ASCENCAO GUEDES R., TIXADOR Y., CASTERET A. & GOUJOU JC. (2002) La mine de Coustou, Vielle-Aure, Hautes-Pyrénées. Le Règne Minéral, 47, 23-31. (in french)
    Japan
     
    • Honshu Island
      • Chubu Region
        • Aichi Prefecture
          • Kita-Shidara-gun
            • Shidara-cho
    Mayumi Yoshinaga (1963) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 14, 1, 1-22.
        • Nagano Prefecture
          • Kami-Ina-gun
    Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.; Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.
    Akira Kato (2011) Explanations of distributed specimens at the Ordinary Meeting of Mumeikai Group, No. 34 (January, 20011).
    Akira Kato (2011) Explanations of distributed specimens at the Ordinary Meeting of Mumeikai Group, No. 34 (January, 20011).
          • Matsumoto City
    Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
      • Chugoku Region
        • Yamaguchi Prefecture
          • Iwakuni City
    Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
    Lee, D. E. (1955); Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.; Am Min (1955) 40:32-40
          • Kudamatsu City
    Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
    Mayumi Yoshinaga (1963) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 14, 1, 1-22.
      • Kanto Region
        • Gunma Prefecture
    Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
          • Kiryuu City
    Masutomi Museum specimen (Kyoto); A.Matsubara, S., & Kato (1980). Nagashimalite, Ba4 (V3+, Ti) 4 [(O, OH) 2| Cl| Si8B2O27], a new mineral from the Mogurazawa mine, Gumma prefecture, Japan. Mineralogical Journal, 10(3), 122-130.
          • Midori City
    Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
    University of Tokyo collection
    Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
        • Ibaraki Prefecture
          • Takanomine mine
    Mayumi Yoshinaga (1963) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 14, 1, 1-22.
        • Tochigi Prefecture
    Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
    Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
          • Kanuma City
    Mayumi Yoshinaga (1963) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 14, 1, 1-22.; Akira Kato (undated manuscript): Country rock and Minerals of the Kaso mine, Kanuma City, Tochigi Prefecture. (in japanese); Yoshinaga, Mayumi. "Sonolite, a new manganese silicate mineral." Mem Fac Sci Kyushu Univ Ser D Geol 14 (1963): 1-21.
    Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
          • Tanuma
    Collection of NHM, Vienna
        • Tokyo Metropolis
          • Nishi-Tama-gun
            • Okutama-cho
    Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
      • Kinki Region
        • Kyoto Prefecture
    Mayumi Yoshinaga (1963) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 14, 1, 1-22.
          • Nantan City
    Toyofumi Yoshimura, "Manganese deposits in Japan - Addendum, PartII", Science reports, Department of Geology, Kyushu University (1969)
          • Sohraku-gun
    Mayumi Yoshinaga (1963) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 14, 1, 1-22.
        • Shiga Prefecture
          • Ritto City
    Symposium sobre yacimientos de manganeso, Tomo IV, Mexico (1956); Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.
      • Tohoku Region
        • Fukushima Prefecture
          • Iwaki
    Mineralogical Journal Vol. 18 (1996) , No. 4 pp 155-160
        • Iwate Prefecture
          • Miyako City
    Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
          • Noda
    Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.
          • Shimohei-gun
            • Yamada
    Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
    • Kyushu Region
      • Fukuoka Prefecture
    Dr. Yohachiro Okamoto collection (conserved by the Geological Survey of Japan)
      • Nansei Archipelago
        • Kagoshima Prefecture
          • Amami-Oshima Island
            • Oshima-gun
              • Setouchi-cho
    Toyofumi Yoshimura, "Manganese deposits in Japan - Addendum, PartII", Science reports, Department of Geology, Kyushu University (1969)
      • Saga Prefecture
        • Karatsu City (Higashi-Matsuura-gun)
          • Kyuuragi-machi
    Okamoto collection (curated at the Geological Survey museum, Japan)
    • Shikoku Island
      • Kochi Prefecture
    Journal of Mineralogical and Petrological Sciences 103,400-406(2008)
    Kaneko, K. (1956) Symposium sobre yacimientos de manganeso. Vol. 4, 184 (Mexico, 1956)
    Kyrgyzstan
     
    • Issyk-Kul'skaya Oblast
      • Inyl'chek Range
        • Muzeinyi Valley
    Pautov L.A., Khvorov P.V., Ignatenko K.I. Alleganyte from rhodonite rocks of Inylchek range (the first description of alleganyte from USSR), - Novye dannye o mineralah SSSR (New data on minerals of USSR), Moscow, Nauka, 1989, p. 162-166.
    Namibia
     
    • Otjozondjupa Region
      • Grootfontein District
        • Kombat
    Dunn, P.J. (1991), Rare minerals of the Kombat Mine, Mineralogical Record: 22(6): 421-425.
    Romania
     
    • Maramureș Co.
    http://minerals-of-the-carpathians.eu
    • Suceava Co.
      • Suceava district
        • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
    http://minerals-of-the-carpathians.eu
    Russia
     
    • Urals Region
      • Middle Urals
        • Sverdlovskaya Oblast'
          • Ekaterinburg (Sverdlovsk)
            • Sedel'nikovo
    Brusnitsyn A.I. (2000) Rhodonite deposits of Middle Ural, - S.-Peterburg Univercity press, p. 200 (in Rus.).
      • Southern Urals
        • Bashkortostan Republic (Bashkiria Republic)
          • Sibay
    Brusnitsyn, A.I. (2006): Geology of Ore Deposits 48(3), 193-214.
    Sweden
     
    • Dalarna
      • Hedemora
        • Garpenberg
    Nysten, P. (2003): Yeatmanite and magnussonite from the Garpenberg Norra mine, Bergslagen ore province, Sweden. Can. Mineral., 41, 201-206
    • 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
        • 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", Verlag Wepf & Co. (Basel), p. 31
      • Schanfig Valley
        • Langwies
          • Fondei Valley
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 31; Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 31
    • St Gallen
      • Alvier Group
        • Sargans
    Stalder, H. A., Wagner, A., Graeser, S. und Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf Verlag, Basel, 579 pp
    • Wallis (Valais)
      • Zermatt - Saas Fee area
        • Matt Valley
          • Täsch Valley
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 30-31
    UK
     
    • Wales
      • Gwynedd (Caernarvonshire)
        • Lleyn Peninsula
          • Llanfaelrhys
            • Rhiw
    No reference listed
    USA
     
    • California
      • Amador Co.
        • Fiddletown
    Hewett, Donnel Foster, Charles Wesley Chesterman & Bennie Wyatt Troxel (1961), Tephroite in California manganese deposits: Economic Geology: 56: 49; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 60, 361; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 410, 459-460.
    Hewett, Donnel Foster, Charles Wesley Chesterman & Bennie Wyatt Troxel (1961), Tephroite in California manganese deposits: Economic Geology: 56: 49; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 61; Pemberton, H. Earl (1983), Minerals of California: 410, 460.
      • Santa Clara Co.
        • Diablo Range
          • Black Wonder District
            • East Foothills
    Rogers, Austin Flint (1919b), An interesting occurrence of manganese minerals near San Jose, California: American Journal of Science, 4th. Series: 48: 443; Ross, Clarence Samuel & Paul F. Kerr (1932), Manganese mineral of a vein near Bald Knob, North Carolina: American Mineralogist: 17: 13; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 61; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 413; www.mineralsocal.org
    • Colorado
      • San Juan Co.
        • Eureka District
          • Gladstone
            • Bonita Peak
    Rocks & Min.: 63: 366-384.
    • Connecticut
      • Middlesex Co.
        • Haddam
    Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut minerals.
    • Massachusetts
      • Hampshire Co.
        • Cummington
    Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 58
        • Plainfield
    Quinn, Alonzo W. (1945). Geology of the Plainfield-Hawley area : with special reference to deposits of manganese and iron minerals (USGS Open-File Report: 45-28)
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    Cook, : Am. Min.:54:1392-1398 (1969); White,T.G. & Hyde, B.G.: Electron Microscope study of the humite minerals: II. Mn-rich specimens: Physics and Chemistry of Minerals:8:167-174 (1982); Dunn,P.J.:(1985); Dunn(1995):Pt3:349.
          • Ogdensburg
            • Sterling Hill
    Cook, D.K.: Am. Min.:54:1392-1398 (1969); Petersen, et al: A highly magnesian alleghanyite from Sterling Hill, NJ: Min. Rec.:15:299-302 (1984); Francis, C. A.: Am. Min.:70:182-185 (1985); Dunn(1995):Pt3:348-349.
    • North Carolina
      • Alleghany Co.
        • Sparta
          • Bald Knob
    Rocks & Min.: 60:130-135.
    • Virginia
      • Carroll Co.
        • Southern Section-Blue Ridge Province
          • Gossan Lead District
    Minerals of Virginia 1990 by R. V. Dietrich
      • Pittsylvania Co.
        • James River-Roanoke River Mn-Fe-Ba District
    AmMin 88:740-747 (2003)
    • Washington
      • Jefferson Co.
        • Mount Jupiter
          • Elkhorn Group
    Minerals of Washington, Bart Cannon, 1975
      • Mason Co.
        • Copper Creek (Boulder Creek)
    Cannon, B. (1975): Minerals of Washington, p.39
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