Yttrocrasite-(Y) (original) (raw)
A material that is NOT an approved mineral species
About Yttrocrasite-(Y)Hide
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Formula:
(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
Name:
Named after its chemical composition containing yttrium and from Greek "krasis", "mixture", alluding to the many other elements present.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:4370:6
c2b63d99-4b66-43a8-83dd-0d636b2975f9
IMA Classification of Yttrocrasite-(Y)Hide
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Classification of Yttrocrasite-(Y)Hide
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4.DG.05
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
G : With large (+- medium-sized) cations; chains of edge-sharing octahedra
8.3.8.4
8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
3 : AB2O6
7.9.12
7 : Oxides and Hydroxides
9 : Oxides of Ti
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Ycr-Y | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Yttrocrasite-(Y)Hide
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Comment:
Under microscop fragments shows through their edges a amber to light yellow color
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
4.8 g/cm3 (Measured)
Optical Data of Yttrocrasite-(Y)Hide
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Chemistry of Yttrocrasite-(Y)Hide
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Mindat Formula:
(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
Crystallography of Yttrocrasite-(Y)Hide
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Comment:
Metamict (may have been orthorhombic before metamictisation). Crook (1977) gives, for a non-metamict sample, the following unit-cell parameters and space group: Pbcn, a 12.862(7), b 4.810(2), c 4.571(3) Å.
Geological EnvironmentHide
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First Recorded Occurrence of Yttrocrasite-(Y)Hide
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General Appearance of First Recorded Material:
A crystal with a dull brown alteration coating and a black, fresh interior.
Synonyms of Yttrocrasite-(Y)Hide
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Other Language Names for Yttrocrasite-(Y)Hide
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Relationship of Yttrocrasite-(Y) to other SpeciesHide
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Other Members of this group:
| Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
|---|---|---|
| Fersmite | (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6 | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
| Kobeite-(Y) | (Y,U)(Ti,Nb)2(O,OH)6 (?) | Iso. |
| Loranskite-(Y) | (Y,Ce,Ca)ZrTaO6 (?) | |
| Tanteuxenite-(Y) | Y(Ta,Nb,Ti)2(O,OH)6 | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
| Uranopolycrase | (U4+,Y)(Ti,Nb)2O6 | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 4.DG.05 | Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
|---|---|---|---|
| 4.DG.05 | Fersmite | (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6 | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
| 4.DG.05 | Kobeite-(Y) | (Y,U)(Ti,Nb)2(O,OH)6 (?) | Iso. |
| 4.DG.05 | Loranskite-(Y) | (Y,Ce,Ca)ZrTaO6 (?) | |
| 4.DG.05 | Tanteuxenite-(Y) | Y(Ta,Nb,Ti)2(O,OH)6 | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
| 4.DG.05 | Uranopolycrase | (U4+,Y)(Ti,Nb)2O6 | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
| 4.DG.10 | Clinofergusonite-(Y) | YNbO4 | Mon. 2/m |
| 4.DG.10 | Clinofergusonite-(Nd) | (Nd,Ce)NbO4 | Mon. |
| 4.DG.10 | Clinofergusonite-(Ce) | CeNbO4 | Mon. 2/m : _B_2/m |
| 4.DG.10 | Yttrotantalite-(Y) | (Y,U,Fe2+)(Ta,Nb)(O,OH)4 | Orth. |
| 4.DG.15 | Foordite | Sn2+Nb2O6 | Mon. 2/m : _B_2/b |
| 4.DG.15 | Thoreaulite | Sn2+Ta2O6 | Mon. 2/m : _B_2/b |
| 4.DG.20 | Raspite | Pb(WO4) | Mon. 2/m : _P_21/b |
Other InformationHide
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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 Yttrocrasite-(Y)Hide
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References for Yttrocrasite-(Y)Hide
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Localities for Yttrocrasite-(Y)Hide
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This 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.
Locality ListHide
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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.
| China | |
|---|---|
| Jiangxi Ganzhou Longnan Co. ⓘ Longnan REE deposits | Yunhuai Lin and Shiyang Chen (1985) |
| Greece | |
| Central Macedonia Kilkis Kilkis ⓘ Vathi | www.researchgate.net (n.d.) +5 other references |
| Italy | |
| Piedmont Cuneo Province Bagnolo Piemonte ⓘ Montoso Quarries | Ciriotti. M.E. et al. (2021) |
| ⓘ Balma Oro Quarry | Ciriotti et al. (2021) |
| Russia | |
| Komi Republic Kozhim River Basin Maldynyrd range (Maldy-nyrd range) Grubependity Lake ⓘ Grubependity Lake cirque | Pavel.M. Kartashov (n.d.) |
| Sweden | |
| Värmland County Filipstad Persberg ore district ⓘ Åskagen Quarry | Pavel.M. Kartashov (n.d.) |
| USA | |
| California Riverside County Lakeview Mountains Nuevo ⓘ Southern Pacific Silica Quarry (Southern Pacific deposit; Nuevo Mine; Southern Pacific Quarry; S.P. Silica Quarry; S.P. Mine; Nuevo Quarry) | Murdoch (1966) +1 other reference |
| Texas Burnet County ⓘ Clear Creek pegmatite | Crook (1976) +1 other reference |
| ⓘ Unnamed pegmatite (FRL) | Hidden and Warren (1906) |
| Llano County Bluffton ⓘ Baringer Hill Mine | Crook (1976) |