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This page provides mineralogical data about Donnayite-(Y).
Classification of Donnayite-(Y)
|Strunz 8th edition ID:||5/D.04-10|
|Nickel-Strunz 10th (pending) edition ID:||5.CC.05|
5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H2O
C : With rare earth elements (REE)
|Dana 8th edition ID:||22.214.171.124|
15 : HYDRATED NORMAL CARBONATES
3 : AmBn(XO3)p·xH2O, with (m+n):p = 1:1
|Hey's CIM Ref.:||11.8.16|
11 : Carbonates
8 : Carbonates of the rare earths
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Type Occurrence of Donnayite-(Y)
|Type Locality:||Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada|
Physical Properties of Donnayite-(Y)
Optical Data of Donnayite-(Y)
|RI values:||nα = 1.551 - 1.561 nβ = 1.646 nγ = 1.652|
|2V:||Calculated: 26° to 28°|
|Maximum Birefringence:||δ = 0.101|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
|Dispersion:||r > v strong|
Chemical Properties of Donnayite-(Y)
|Simplified for copy/paste:||NaCaSr3Y(CO3)6·3H2O|
|Essential elements:||C, Ca, H, Na, O, Sr, Y|
|All elements listed in formula:||C, Ca, H, Na, O, Sr, Y|
Relationship of Donnayite-(Y) to other Species
|Structurally related to group(s):|
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Donnayite-(Y)
|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 Donnayite-(Y)
CHAO, G.Y., MAINWARING, P.R., and BAKER, J. (1978) Donnayite, NaCaSr3Y(CO3)6•3H2O, a new mineral from Mont St Hilaire, Québec. Canadian Mineralogist, 16, 335 340.
TRINH, T.L.T., POBEDIMSKAYA, E.A., NADEZHINA, T.N., and KHOMYAKOV, A.P. (1984 b) The crystal structures of alkaline carbonates; barentsite, bonshtedtite and donnayite. Acta Crystallographica, Section A, 40, (Supplement). C257 (abstract)
Internet Links for Donnayite-(Y)
|Specimens:||The following Donnayite-(Y) specimens are currently listed for sale on minfind.com.|
Localities for Donnayite-(Y)
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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