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Carpholite

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Big Photo

Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy
© G. Armellino

Show Carpholite Photos (44)



Formula:
Mn
2+
 
Al
 
2
(Si
 
2
O
 
6
)(OH)
 
4
System:OrthorhombicColour:Yellow
Lustre:SilkyHardness:5 - 5½
Member of:Carpholite Group


Carpholite-Ferrocarpholite Series.

Classification of Carpholite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/F.03-30
Nickel-Strunz 10th (pending) edition ID:9.DB.05

9 : SILICATES (Germanates)
D : Inosilicates
B : Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals
Dana 8th edition ID:65.1.5.1

65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
1 : Single-Width Unbranched Chains, W=1 with chains P=2
Hey's CIM Ref.:16.16.5

16 : Silicates Containing Aluminum and other Metals
16 : Aluminosilicates of Mn
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Type Occurrence of Carpholite

Type Locality:Horní Slavkov (Schlaggenwald), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Year of Discovery:1817

Physical Properties of Carpholite

Lustre:Silky
Colour:Yellow
Hardness (Mohs):5 - 5½

Crystallography of Carpholite

Crystal System:Orthorhombic
Cell Parameters:a = 13.83Å, b = 20.31Å, c = 5.13Å
Ratio:a:b:c = 0.681 : 1 : 0.253
Unit Cell Volume:V 1,440.95 ų (Calculated from Unit Cell)

Optical Data of Carpholite

Type:Biaxial (-)
RI values: nα = 1.610 nβ = 1.628 nγ = 1.630
Maximum Birefringence:δ = 0.020

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

Chemical Properties of Carpholite

Formula:
Mn
2+
 
Al
 
2
(Si
 
2
O
 
6
)(OH)
 
4
Essential elements:Al, H, Mn, O, Si
All elements listed in formula:Al, H, Mn, O, Si
Common Impurities:Ti,Fe,V,Zn,Mg,Ca,Na,K

Relationship of Carpholite to other Species

Series:Forms a series with Ferrocarpholite (see here)
Member of:Carpholite Group
Other Members of Group:

- +
Ferrocarpholite
(Fe
2+
 
,Mg)Al
 
2
(Si
 
2
O
 
6
)(OH)
 
4
Magnesiocarpholite
(Mg,Fe
2+
 
)Al
 
2
(Si
 
2
O
 
6
)(OH)
 
4
Potassiccarpholite
(K,☐)(Li,Mn
2+
 
)
 
2
Al
 
4
(Si
 
2
O
 
6
)
 
2
(OH,F)
 
8
Vanadiocarpholite
Mn
2+
 
V
3+
 
Al(Si
 
2
O
 
6
)(OH)
 
4
Related Minerals - Nickel-Strunz Grouping):

- +
9.DB.05Balipholite
BaLiMg
 
2
Al
 
3
(Si
 
2
O
 
6
)
 
2
(OH)
 
4
9.DB.05Ferrocarpholite
(Fe
2+
 
,Mg)Al
 
2
(Si
 
2
O
 
6
)(OH)
 
4
9.DB.05Magnesiocarpholite
(Mg,Fe
2+
 
)Al
 
2
(Si
 
2
O
 
6
)(OH)
 
4
9.DB.05Potassiccarpholite
(K,☐)(Li,Mn
2+
 
)
 
2
Al
 
4
(Si
 
2
O
 
6
)
 
2
(OH,F)
 
8
9.DB.05Vanadiocarpholite
Mn
2+
 
V
3+
 
Al(Si
 
2
O
 
6
)(OH)
 
4
9.DB.10Lorenzenite
Na
 
2
Ti
 
2
(Si
 
2
O
 
6
)O
 
3
9.DB.15Lintisite
LiNa
 
3
Ti
 
2
(Si
 
2
O
 
6
)
 
2
O
 
2
 · 2H
 
2
O
9.DB.15Punkaruaivite
LiTi
 
2
(HSi
 
4
O
 
12
)(OH)
 
2
 · H
 
2
O
9.DB.17Eliseevite
LiNa
 
1.5
Ti
 
2
(H
 
1.5
Si
 
4
O
 
12
)O
 
2
 · 2H
 
2
O
9.DB.20Kukisvumite
Na
 
6
ZnTi
 
4
(Si
 
8
O
 
24
)O
 
4
 · 4H
 
2
O
9.DB.20Manganokukisvumite
Na
 
6
MnTi
 
4
(Si
 
8
O
 
24
)O
 
4
 · 4H
 
2
O
9.DB.25Vinogradovite
(Na,Ca,K)
 
4
Ti
 
4
AlSi
 
6
O
 
23
(OH) · 2H
 
2
O
9.DB.25Paravinogradovite
Na
 
1-2
(Ti,Fe
3+
 
)
 
4
(Si
 
2
O
 
6
)
 
2
(AlSi
 
3
O
 
10
)(OH)
 
4
 · H
 
2
O
9.DB.30Nchwaningite
Mn
2+
2
(SiO
 
3
)(OH)
 
2
 · H
 
2
O
9.DB.35Plancheite
Cu
 
8
(Si
 
8
O
 
22
)(OH)
 
4
 · H
 
2
O
9.DB.40Shattuckite
Cu
 
5
(Si
 
2
O
 
6
)
 
2
(OH)
 
2
9.DB.40UM2005-31-SiO:CuH
Cu
 
11
(SiO
 
4
)(OH)
 
18
 · 9H
 
2
O ?
9.DB.45Aerinite
(Ca
 
5.1
Na
 
0.5
)(Fe
3+
 
,Al,Fe
2+
 
,Mg)
 
4
(Al,Mg)
 
6
[HSi
 
12
O
 
36
(OH)
 
12
][(CO
 
3
)
 
1.2
(H
 
2
O)
 
12
]
9.DB.50Capranicaite
KCaNaAl
 
4
B
 
4
Si
 
2
O
 
18
Related Minerals - Hey's Index Grouping:

- +
16.16.1Kanonaite
Mn
3+
 
Al(SiO
 
4
)O
16.16.2Spessartine
Mn
2+
3
Al
 
2
(SiO
 
4
)
 
3
16.16.3Davreuxite
MnAl
 
6
Si
 
4
O
 
17
(OH)
 
2
16.16.4Sursassite
Mn
2+
2
Al
 
3
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
3
16.16.6Kellyite
Mn
2+
2
Al(AlSiO
 
5
)(OH)
 
4
16.16.7Pennantite
Mn
2+
5
Al(AlSi
 
3
O
 
10
)(OH)
 
8
16.16.8Akatoreite
(Mn
2+
 
,Fe
2+
 
)
 
9
Al
 
2
(HSi
 
4
O
 
13
)
 
2
(OH)
 
6
16.16.9Ganophyllite
(K,Na,Ca)
 
2
Mn
 
8
(Si,Al)
 
12
(O,OH)
 
32
 · 8H
 
2
O
16.16.10Kôzulite
[Na][Na
 
2
][Mn
2+
4
(Fe
3+
 
,Al)]Si
 
8
O
 
22
(OH)
 
2
16.16.11Masutomilite
(K,Rb)(Li,Mn
3+
 
,Al)
 
3
(AlSi
 
3
O
 
10
)(F,OH)
 
2
16.16.13Howieite
Na(Fe,Mn)
 
10
(Fe,Al)
 
2
Si
 
12
O
 
31
(OH)
 
13
16.16.14Eggletonite
(Na,K,Ca)
 
2
(Mn,Fe)
 
8
(Si,Al)
 
12
O
 
29
(OH)
 
7
 · 11H
 
2
O
16.16.15Bannisterite
Ca
 
0.5
(K,Na)
 
0.5
(Mn,Fe,Zn)
 
10
(Si,Al)
 
16
O
 
38
(OH)
 
8
 · 5.5H
 
2
O
16.16.16Taneyamalite
(Na,Ca)(Mn,Mg,Fe)
 
12
Si
 
12
(O,OH)
 
44
16.16.17Zussmanite
K(Fe,Mg,Mn)
 
13
(Si,Al)
 
18
O
 
42
(OH)
 
14
16.16.18Coombsite
K(Mn,Fe,Mg)
 
13
(Si,Al)
 
18
O
 
42
(OH)
 
14
16.16.19Henritermierite
Ca
 
3
(Mn
3+
 
,Al)
 
2
(SiO
 
4
)
 
2
(OH)
 
4
16.16.20Macfallite
Ca
 
2
(Mn
3+
 
,Al)
 
3
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
3
16.16.21Ottrélite
(Mn
2+
 
,Fe
2+
 
,Mg)Al
 
2
(SiO
 
4
)O(OH)
 
2
16.16.22Piemontite
{Ca
 
2
}{Al
 
2
Mn
3+
 
}(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)
16.16.23Okhotskite
Ca
 
2
(Mn
2+
 
,Mg)(Mn
3+
 
,Al,Fe
3+
 
)
 
2
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
2
 · H
 
2
O
16.16.24Pumpellyite-(Mn2+)
Ca
 
2
(Mn
2+
 
,Mg)(Al,Mn
3+
 
,Fe
3+
 
)
 
2
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
2
 · H
 
2
O
16.16.25Piemontite-(Sr)
{CaSr}{Al
 
2
Mn
3+
 
}(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)

Other Names for Carpholite

Other Languages:
German:Karpholith
Strohstein
Russian:Карфолит

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 Carpholite

Reference List:

- +
Neues Jahrbuch für Mineralogie, Monatshefte (1979): 282-287.

Theye, T., Seidel, E., and Vidal, O. (1992) Carpholite, sudoite, chloritoid in low-grade high-pressure metapelites from Crete and the Peloponnese, Greece. European Journal of Mineralogy: 4: 487-507.

Theye, T. (2000) New experimental high pressure data on chloritoid and carpholite. Beiheft No. 1, European Journal of Mineralogy: 12: 212.

Internet Links for Carpholite

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

    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.
    Belgium
     
    • Liège Province
      • Stavelot Massif
        • Lienne valley
          • Stoumont
          • Werbomont
    		Michel Blondieau collection
    • Luxembourg Province
      • Stavelot Massif
        • Vielsalm
    		Th. Theye and A.M. Fransolet : "Virtually Pure Ottrelite from the Region of Ottré, Belgium", European Journal of Mineralogy, 1994, 6, 547-555
    China
     
    • Jilin Province (Manchuria; Dongbei Region)
      • Yanbian Chaoxianzu Autonomous Prefecture
        • Yanbian Co.
    		Wu Hanquan, Tang kedong, and Li Cunyou (2003): Geological Bulletin of China 22(9), 651-654.
    • Qinghai (Chinghai) Province
      • Haibei Autonomous Prefecture
        • Qilian Co.
    		Song, S., Zhang, L., Niu, Y., Wei, C., Liou, J.G., and Shu, G. (2007): Journal of Metamorphic Geology 25(4), 495.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
    		Letztes Min. System (1817) 10, 43
          • Krásno (Schönfeld)
    		Petr Pauliš (2000): Nejzajímavější mineralogická naleziště Čech, Kuttna, Kutná Hora
    France
     
    • Rhône-Alpes
      • Rhône
        • Beaujeu
          • Les Ardillats
    		Favreau G., Legris J-R., Dardillac M. (1996), La Verrière (Rhône): Histoire et Minéralogie, Le Cahier des Micromonteurs, n°3, pp:3-28
    Germany
     
    • Saxony-Anhalt
      • Harz Mts
        • Wippra Metamorphic Zone
    		No reference listed
    Greece
     
    • Crete (Kriti) Department
    		Eur. J. Mineral., 4: 487-507
    Italy
     
    • Liguria
      • Genova Province
        • Ne
          • Graveglia Valley
    		XRD analysis at Euratom of Ispra (Varese)
    [MinRec 32:356]
            • Reppia
    		Rivista Mineralogica Italiana, (4), 131
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Ornavasso
    		V. Mattioli (1978) - Pegmatite di Ornavasso - Rivista mineralogica Italiana, Milano, vol. 9, fasc. 1, pag. 44
    Japan
     
    • Honshu Island
      • Kinki region
        • Hyogo Prefecture
    		Yoshimura & Aoki (1966) Koubutsugaku Zasshi, 8, 43-48.
    Kazakhstan
     
    • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
    		http://geo.web.ru/druza/l-Kent.htm
    Romania
     
    • Suceava Co.
      • Suceava district
    		http://minerals-of-the-carpathians.eu
    Spain
     
    • Andalusia
      • Granada
        • Salobreña
          • Otivar
    		Eur. J. Mineral. , 1989, 1, pp. 139-142..
    • Catalonia
      • Tarragona
        • Baix Camp
          • Villanova d'Escornalbou
            • Escornalbou Castle
    		Aufschluss 1975(6), 236-237
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Engadin
        • Martina
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 163.
    UK
     
    • England
      • Cornwall
        • Callington District
          • Callington
            • Kit Hill
    		No reference listed
          • Gunnislake Area
    		No reference listed
        • St Austell District
          • St Stephen-in-Brannel
            • Foxhole
    		[Specimen in the Natural History Museum, London]
      • Cumbria
        • North and Western Region (Cumberland)
          • Caldbeck Fells
            • Carrock Fell
    		BMS Database
    [Specimen in the Natural History Museum, London]
    USA
     
    • Idaho
      • Boise Co.
    		Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
    [MinRec 19:332]
      • Custer Co.
    		R&M 70:4 pp 242-263
      • Elmore Co.
        • Glens Peak Area
          • Sawtooth Primitive Area
    		van Laer, The Sawtooth batholith, mindat.org
    R&M 70:4 pp 242-263
    Rocks & Min. 70:246
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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