Winchite Root Name Group
A group of related mineral species
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About Winchite Root Name Group
Formula:
â»{CaNa}{Z2+4Z3+}(Si8O22)(OH,F,Cl)2
The winchite minerals are defined as sodium-calcium amphiboles with A(Na+K+ 2Ca)<0,5 apfu and with Z(Al+Fe3++2Ti)<1,5 apfu.
The various species are defined on their dominant elements in the Z (= IMA C position) and W position in the formula
Z2+ position (= IMA C2+ position): Mg or Fe dominant
Z3+ position (= IMA C3+ position: Al or Fe dominant
W position: (OH) or F dominant.
On mindat.org we avoid using variables with the same symbol as elements and deviate from the IMA nomenclaure in that we use X rather than B, Z rather than C and (OH,F,Cl,O) rather than W.
The various species are defined on their dominant elements in the Z (= IMA C position) and W position in the formula
Z2+ position (= IMA C2+ position): Mg or Fe dominant
Z3+ position (= IMA C3+ position: Al or Fe dominant
W position: (OH) or F dominant.
On mindat.org we avoid using variables with the same symbol as elements and deviate from the IMA nomenclaure in that we use X rather than B, Z rather than C and (OH,F,Cl,O) rather than W.
Crystal System:
Monoclinic
This page provides mineralogical data about Winchite Root Name Group.
Unique Identifiers
Mindat ID:
8624
Long-form identifier:
mindat:1:1:8624:6
GUID
(UUID V4):
(UUID V4):
7d6743e9-c4b7-4462-af90-75c476300c7a
Chemistry of Winchite Root Name Group
Mindat Formula:
â»{CaNa}{Z2+4Z3+}(Si8O22)(OH,F,Cl)2
The winchite minerals are defined as sodium-calcium amphiboles with A(Na+K+ 2Ca)<0,5 apfu and with Z(Al+Fe3++2Ti)<1,5 apfu.
The various species are defined on their dominant elements in the Z (= IMA C position) and W position in the formula
Z2+ position (= IMA C2+ position): Mg or Fe dominant
Z3+ position (= IMA C3+ position: Al or Fe dominant
W position: (OH) or F dominant.
On mindat.org we avoid using variables with the same symbol as elements and deviate from the IMA nomenclaure in that we use X rather than B, Z rather than C and (OH,F,Cl,O) rather than W.
The winchite minerals are defined as sodium-calcium amphiboles with A(Na+K+ 2Ca)<0,5 apfu and with Z(Al+Fe3++2Ti)<1,5 apfu.
The various species are defined on their dominant elements in the Z (= IMA C position) and W position in the formula
Z2+ position (= IMA C2+ position): Mg or Fe dominant
Z3+ position (= IMA C3+ position: Al or Fe dominant
W position: (OH) or F dominant.
On mindat.org we avoid using variables with the same symbol as elements and deviate from the IMA nomenclaure in that we use X rather than B, Z rather than C and (OH,F,Cl,O) rather than W.
Crystallography of Winchite Root Name Group
Crystal System:
Monoclinic
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0020107 | Winchite | Jenkins D M, Della Ventura G, Oberti R, Bozhilov K (2013) Synthesis and characterization of amphiboles along the tremolite-glaucophane join American Mineralogist 98 588-600 | 2013 | synthetic | 0 | 293 | |
0020108 | Winchite | Jenkins D M, Della Ventura G, Oberti R, Bozhilov K (2013) Synthesis and characterization of amphiboles along the tremolite-glaucophane join American Mineralogist 98 588-600 | 2013 | synthetic | 0 | 293 | |
0005710 | Winchite | Sokolova E V, Hawthorne F C, Gorbatova V, McCammon C, Schneider J (2001) Ferrian winchite from the Ilmen mountains, southern Urals, Russia and some problems with the current scheme for amphibole nomenclature adjusted to match reported bond lengths The Canadian Mineralogist 39 171-177 | 2001 | Ilmen mountains, southern Urals, Russia | 0 | 293 | |
0007426 | Winchite | Ghose S, Kersten M, Langer K, Rossi G, Ungaretti L (1986) Crystal field spectra and Jahn Teller effect of Mn3+ in clinopyroxene and clinoamphiboles from India Physics and Chemistry of Minerals 13 291-305 | 1986 | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Winchite Root Name Group to other Species
Member of:
Other Members of this group:
Barroisite Root Name Group | â»{CaNa}{Z2+3Z3+2}(AlSi7O22)(OH,F,Cl)2 | |
Katophorite Root Name Group | A(CaNa)(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 | |
Richterite Root Name Group | {A}{CaNa}{Z5}(Si8O22)(OH,F,Cl)2 | Mon. |
Taramite Root Name Group | A(CaNa)(Z2+3Z3+2)(Al2Si6O22)(OH,F,Cl)2 |
Group Members:
Ferri-winchite | â»(NaCa)(Mg4Fe3+)Si8O22(OH)2 | Mon. 2/m : B2/m |
Ferro-ferri-winchite | â»[CaNa][Fe2+4(Fe3+,Al)]Si8O22(OH)2 | |
Ferro-winchite | â»{CaNa}{Fe2+4Al}(Si8O22)(OH)2 | Mon. |
Fluoro-winchite | â»{CaNa}{Mg4Al}(Si8O22)F2 | |
Scandio-winchite | â»(NaCa)(Mg4Sc)(Si8O22)(OH)2 | Mon. 2/m : B2/m |
Winchite | â»{CaNa}{Mg4Al}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Winchite Root Name Group
mindat.org URL:
https://www.mindat.org/min-8624.html
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References for Winchite Root Name Group
Localities for Winchite Root Name Group
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
All localities listed without proper references should be considered as questionable.
Afghanistan | |
| [Winchite] |
| [Winchite] |
Algeria | |
| [Winchite] |
Australia | |
| [Winchite] |
| [Winchite] |
| [Ferro-ferri-winchite] |
| [Winchite] |
| [Winchite] |
Austria | |
| [Ferri-winchite] |
Bosnia and Herzegovina | |
| [Winchite] |
Bulgaria | |
| [Winchite] |
Canada | |
| [Winchite] |
| [Winchite] |
| [Ferro-winchite] |
| [Winchite] |
| [Ferro-winchite] |
China | |
| [Winchite] |
| [Ferro-ferri-winchite] |
| [Ferri-winchite] |
| [Winchite] |
| [Winchite] |
| [Ferri-winchite] |
| [Winchite] |
| [Ferro-winchite] |
Czech Republic | |
| [Winchite] |
| [Ferri-winchite] |
| [Ferro-winchite] |
Dominican Republic | |
| [Winchite] |
Finland | |
| [Ferro-winchite] |
France | |
| [Winchite] |
| [Winchite] |
Greece | |
| [Winchite] |
| [Winchite] |
[Winchite] | |
| [Winchite] |
India | |
| [Winchite] |
[Winchite] | |
| [Winchite] |
| [Ferri-winchite] |
| [Winchite] |
| [Ferri-winchite] |
| [Winchite] |
| [Ferri-winchite] |
| [Winchite] |
| [Winchite] |
Italy | |
| [Winchite] |
| [Winchite] |
| [Fluoro-winchite] Gianfagna, A., Andreozzi, G. B., Ballirano, P., Mazziotti-Tagliani, S., Bruni, B. M. (2007) STRUCTURAL AND CHEMICAL CONTRASTS BETWEEN PRISMATIC AND FIBROUS FLUORO-EDENITE FROM BIANCAVILLA, SICILY, ITALY. The Canadian Mineralogist, 45 (2). 249-262 doi:10.2113/gscanmin.45.2.249 Andreozzi, G. B., Ballirano, P., Gianfagna, A., Mazziotti-Tagliani, S., Pacella, A. (2009) Structural and spectroscopic characterization of a suite of fibrous amphiboles with high environmental and health relevance from Biancavilla (Sicily, Italy). American Mineralogist, 94 (10). 1333-1340 doi:10.2138/am.2009.3214 |
Japan | |
| [Winchite] |
| [Winchite] |
| [Winchite] |
| [Winchite] |
| [Winchite] |
[Winchite] | |
Madagascar | |
| [Ferri-winchite] |
Myanmar | |
| [Winchite] |
[Winchite] | |
[Winchite] | |
[Winchite] | |
Namibia | |
| [Winchite] |
| [Ferro-ferri-winchite] |
Norway | |
| [Winchite] |
Oman | |
| [Ferro-ferri-winchite] |
Poland | |
| [Ferro-ferri-winchite] |
| [Winchite] |
| [Scandio-winchite] |
Romania | |
[Winchite] | |
| [Ferro-winchite] |
Russia | |
| [Winchite] |
| [Ferri-winchite] |
[Ferri-winchite] | |
[Winchite] | |
| [Winchite] |
[Winchite] | |
| [Winchite] |
| [Winchite] |
Seychelles | |
[Ferro-winchite] | |
Slovakia | |
| [Winchite] |
| [Ferri-winchite] Martin Ć tevko & Pavol MyĆĄÄŸan, EPMA-WDS confirmedIdentified by Martin Stevko: SEM-WDS |
| [Ferro-winchite] |
South Korea | |
| [Winchite] |
Spain | |
| [Winchite] |
| [Winchite] |
Sweden | |
| [Ferri-winchite] |
| [Ferri-winchite] |
| [Ferro-ferri-winchite] |
Switzerland | |
| [Winchite] |
| [Ferri-winchite] |
| [Winchite] |
[Winchite] | |
Turkey | |
| [Ferro-winchite] |
UK | |
[Ferro-winchite] | |
| [Ferro-ferri-winchite] |
USA | |
| [Ferri-winchite] |
| [Winchite] |
| [Winchite] |
| [Winchite] |
| [Winchite] |
| [Winchite] |
[Winchite] | |
| [Winchite] |
| [Winchite] |
[Winchite] | |
| [Winchite] |
Venezuela | |
| [Winchite] |
Yemen | |
| [Winchite] |
Zimbabwe | |
| [Winchite] |
Franklin Mine, Franklin, Sussex County, New Jersey, USA