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Villahermosa del Rio, Castellón, Valencian Community, Spain
© Elmar Lackner 2009
|Name:||For the relation to tyrolite (considered to be orthorhombic at that time).|
"Clinotyrolite" was published without CNMMN approval because the authors thought it is different from tyrolite (which was considered to be orthorhombic at that time). However, tyrolite was later shown to be monoclinic(-pseudo-orthorhombic), with at least two monoclinic polytypes being detected (Krivovichev et al., 2006); one of them seems to be identical to "clinotyrolite".
Since it is well-known that also carbonate-free varieties of tyrolite exist, "tyrolite" may actually represent more than two minerals/polytypes.
Clinotyrolite was originally described from Lanniping Mine, Dongchuan Cu ore field, Dongchuan District, Kunming Prefecture, Yunnan Province, China and Tangdan Mine, Dongchuan Cu ore field, Dongchuan District, Kunming Prefecture, Yunnan Province, China.
Classification of Clinotyrolite
|IMA status:||Published without Approval|
|Strunz 8th edition ID:||7/D.54-30|
|Nickel-Strunz 10th (pending) edition ID:||8.DM.10|
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
M : With large and medium-sized cations, (OH, etc.):RO4 > 2:1
|Dana 8th edition ID:||126.96.36.199|
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
4 : (AB)5(XO4)2Zq·xH2O
|Hey's CIM Ref.:||22.3.4|
22 : Phosphates, Arsenates or Vanadates with other Anions
3 : Phosphates, arsenates or vanadates with sulphates
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Crystallography of Clinotyrolite
|Cell Parameters:||a = 10.51Å, b = 5.56Å, c = 27.61Å|
β = 94°
|Ratio:||a:b:c = 1.89 : 1 : 4.966|
|Unit Cell Volume:||V 1,609.48 Å³ (Calculated from Unit Cell)|
Optical Data of Clinotyrolite
|RI values:||nα = 1.666 nβ = 1.686 nγ = 1.694|
|2V:||Measured: 65° to 66°, Calculated: 62°|
|Maximum Birefringence:||δ = 0.028|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
|Dispersion:||r > v or r < v|
Chemical Properties of Clinotyrolite
|Simplified for copy/paste:||Ca2Cu9(AsO4,SO4)4(OH,O)10·10H2O|
|Essential elements:||As, Ca, Cu, H, O|
|All elements listed in formula:||As, Ca, Cu, H, O, S|
Relationship of Clinotyrolite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Clinotyrolite
|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 Clinotyrolite
Ma Zhesheng, Qian Rongyao, and Peng Zhizhong (1980): Clinotyrolite: A new mineral of the hydrous copper arsenate discovered in Dongchuan, Yunnan. Acta Geologica Sinica 54(2), 134-143 (in Chinese with English abstract). - Mineralogical Abstracts 80, 4909 (abstract).
"Clinotyrolite has been published without CNMMN approval. It might well be a separate phase." (Ernst Burke - 21/06/2004).
Krivovichev, S. V., Chernyshov, D. Yu., Döbelin, N., Kahlenberg, V., Tessadri, R., Armbruster, T. and Kaltenhauser, G. (2005): The crystal structure of tyrolite, Ca2Cu9(AsO4)4(CO3)(OH)8(H2O)10: synchrotron X-ray diffraction study. Mitt. Österr. Mineral. Ges. 151, 74. (Poster abstract)
Krivovichev, S.V., Chernyshov, D. Yu., Dobelin, N., Armbruster, Th., Kahlenberg, V., Kaindl, R., Ferraris, G., Tessadri, R., Kaltenhauser, G. (2006). Crystal chemistry and polytypism of tyrolite. American Mineralogist, 91, 1378-1384.
Internet Links for Clinotyrolite
|Specimens:||The following Clinotyrolite specimens are currently listed for sale on minfind.com.|
Localities for Clinotyrolite
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.
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Locality Updated: San Onofre pit, Salt Mountain, Cardona, Bages, Barcelona, Catalonia, SpainFrom Gascon Cuello Fernando, 18th Dec 2014 07:47:50