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- Polycrase abstract "Polycrase or polycrase-(Y) is a black or brown metallic complex uranium yttrium oxide mineral with formula: (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6. It is amorphous. It has a Mohs hardness of 5 to 6 and a specific gravity of 5. It is radioactive due to its uranium content (around 6%). It occurs in granitic pegmatites.Polycrase forms a continuous series with the niobium rich rare earth oxide euxenite.It was first described in 1870 at Rasvag, Hidra (Hittero) Island, near Flekkefjord, Norway. It is found in Sweden, Norway, and the United States.".
- Polycrase wikiPageExternalLink Polycrase-(Y).shtml.
- Polycrase wikiPageExternalLink min-3257.html.
- Polycrase wikiPageID "2501523".
- Polycrase wikiPageRevisionID "603231875".
- Polycrase hasPhotoCollection Polycrase.
- Polycrase subject Category:Amorphous_solids.
- Polycrase subject Category:Calcium_minerals.
- Polycrase subject Category:Lanthanide_minerals.
- Polycrase subject Category:Niobium_minerals.
- Polycrase subject Category:Oxide_minerals.
- Polycrase subject Category:Tantalum_minerals.
- Polycrase subject Category:Thorium_minerals.
- Polycrase subject Category:Titanium_minerals.
- Polycrase subject Category:Uranium_minerals.
- Polycrase subject Category:Yttrium_minerals.
- Polycrase type Abstraction100002137.
- Polycrase type CalciumMinerals.
- Polycrase type LanthanideMinerals.
- Polycrase type Material114580897.
- Polycrase type Matter100020827.
- Polycrase type Mineral114662574.
- Polycrase type NiobiumMinerals.
- Polycrase type OxideMinerals.
- Polycrase type Part113809207.
- Polycrase type PhysicalEntity100001930.
- Polycrase type Relation100031921.
- Polycrase type Substance100019613.
- Polycrase type TantalumMinerals.
- Polycrase type ThoriumMinerals.
- Polycrase type TitaniumMinerals.
- Polycrase type UraniumMinerals.
- Polycrase type YttriumMinerals.
- Polycrase comment "Polycrase or polycrase-(Y) is a black or brown metallic complex uranium yttrium oxide mineral with formula: (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6. It is amorphous. It has a Mohs hardness of 5 to 6 and a specific gravity of 5. It is radioactive due to its uranium content (around 6%). It occurs in granitic pegmatites.Polycrase forms a continuous series with the niobium rich rare earth oxide euxenite.It was first described in 1870 at Rasvag, Hidra (Hittero) Island, near Flekkefjord, Norway.".
- Polycrase label "Polycrase".
- Polycrase label "Polycrase-(Y)".
- Polycrase sameAs Polycrase-(Y).
- Polycrase sameAs m.07j97l.
- Polycrase sameAs Q3907734.
- Polycrase sameAs Q3907734.
- Polycrase sameAs Polycrase.
- Polycrase wasDerivedFrom Polycrase?oldid=603231875.
- Polycrase isPrimaryTopicOf Polycrase.