Mineralienatlas - Fossilienatlas
Clinofergusonite-(Nd) (Fergusonite-beta-(Nd)) |
Collectors Summary
Color | bräunlich rot, rot, gelbbraun, orange |
Streak color | blass braun |
Hardness (Mohs) | 5.75 |
Crystal System | monoklin, |
Chemism
Chemical formula |
(Nd,Ce)NbO4 |
||||||||||||||||||||||||||||||||||||||||||||
Chemical composition |
Cerium, Neodymium, Niob, Sauerstoff |
||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||
Analysis wt% |
La2O3 : 2.05, Ce2O3 : 14.62, Pr2O3 : 4.28, Nd2O3 : 21.25, Sm2O3 : 4.53, Gd2O3 : 1.37, Tb2O3 : 0.71, Dy2O3 : 0.98, Ho2O3 : 0.56, Er2O3 : 0.51, Yb2O3 : 0.45, Y2O3 : 2.83, Nb2O5 : 41.00, ThO2 : 1.09, UO2 : 1.46, Ln2O3 : 55.00 (Ref: Sci.Geol.Sin.83) |
||||||||||||||||||||||||||||||||||||||||||||
Strunz 9th edition incl. updates |
|||||||||||||||||||||||||||||||||||||||||||||
4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate) |
|||||||||||||||||||||||||||||||||||||||||||||
Lapis Classification |
|||||||||||||||||||||||||||||||||||||||||||||
IV: OXIDE |
|||||||||||||||||||||||||||||||||||||||||||||
Classification by Hölzel |
|||||||||||||||||||||||||||||||||||||||||||||
4: OXIDES |
|||||||||||||||||||||||||||||||||||||||||||||
Mineral status |
anerkanntes Mineral |
Optical Properties
bräunlich rot, rot, gelbbraun, orange |
|
blass braun |
|
durchscheinend bis opak |
|
RI value α / ω / n |
2.0 |
RI value β |
metam. |
Ri mean |
2.0 |
2V angle |
i metam. |
Crystallography
Physical Properties
5.75 |
|
630 (ungefähre Angabe abgeleitet aus der Mohshärte) |
|
6.45 |
|
6.283 ( ρ calc. Mineralienatlas ) |
|
spröde |
(Co-)Type locality
(Co-)Type locality |
China/Innere Mongolei (Neimenggu)/Baotou/Vereinigtes Darhan-Mumingan-Banner/Bayan Obo/Bayan Obo SE-Fe-Nb-Lagerstätte/West-Bruch |
References
Other languages
English |
Clinofergusonite-(Nd) |
renamed; CNMNC Newsletter 69; Mineralogical Magazine, 86 |
Spanish |
Fergusonita-beta-(Nd) |
|
German |
Klinofergusonit-(Nd) |
umbenannt; CNMNC Newsletter 69; Mineralogical Magazine, 86 |
old name
German |
Fergusonit-(Nd)-β |
renamed; CNMNC Newsletter 69; Mineralogical Magazine, 86 |
English |
Fergusonite-(Nd)-β |
umbenannt; CNMNC Newsletter 69; Mineralogical Magazine, 86 |
French |
Fergusonite-Beta-(Nd) |
|
English |
Fergusonite-beta-(Nd) |
Alternative Name
English |
Beta-Fergusonite-(Nd) |
|
German |
Fergusonit-(Nd)-beta |
|
German |
Fergusonit-beta-(Nd) |
|
English |
Fergusonite-(Nd)-beta |
CNMNC symbol
Symbol |
Fgs-Nd-β |
Automatic Links to external internet sources (Responsibility is with the operator)
Mineral Dealer
Locations with GPS information
IDs
GUSID (Global unique identifier short form) | 3RFDux-wTUO1GJD8yUW14Q |
GUID (Global unique identifier) | BB4311DD-B01F-434D-B518-90FCC945B5E1 |
Database ID | 1122 |