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- Monazite abstract "Monazite is a reddish-brown phosphate mineral containing rare earth metals. It occurs usually in small isolated crystals. There are at least four different kinds of monazite, depending on relative elemental composition of the mineral: monazite-Ce (Ce, La, Pr, Nd, Th, Y)PO4 monazite-La (La, Ce, Nd, Pr)PO4 monazite-Nd (Nd, La, Ce, Pr)PO4 monazite-Sm (Sm, Gd, Ce, Th)PO4The elements in parentheses are listed in the order in which they are in relative proportion within the mineral, so that lanthanum is the most common rare earth in monazite-La, and so forth. Silica, SiO2, will be present in trace amounts, as well as small amounts of uranium and thorium. Due to the alpha decay of thorium and uranium, monazite contains a significant amount of helium, which can be extracted by heating.Monazite is an important ore for thorium, lanthanum, and cerium. It is often found in placer deposits. The deposits in India are particularly rich in monazite. It has a hardness of 5.0 to 5.5 and is relatively dense, about 4.6 to 5.7 g/cm3.Because of the presence of thorium within monazite, it can be radioactive. Because of its radioactive nature, the monazite within rocks is a useful tool for radiometric dating geological events, such as heating or deformation of the rock.The name monazite comes from the Greek μοναζειν (to be solitary), in allusion to its isolated crystals. India, Madagascar, and South Africa have large deposits of monazite sands.".
- Monazite thumbnail Monazit_-_Madagaskar.jpg?width=300.
- Monazite wikiPageExternalLink monazitethoriumm00kithiala.
- Monazite wikiPageExternalLink nc_post&CISOPTR=3240&CISOBOX=1&REC=1.
- Monazite wikiPageExternalLink monazite.htm.
- Monazite wikiPageExternalLink an_unusual_state_of_matter.pdf.
- Monazite wikiPageID "191156".
- Monazite wikiPageRevisionID "606415544".
- Monazite 2v "10".
- Monazite category Phosphate_minerals.
- Monazite cleavage "Distinct on [100] poor on [010]".
- Monazite color "Reddish brown, brown, pale yellow, pink, green, gray".
- Monazite diaphaneity "Translucent to opaque".
- Monazite formula "PO4".
- Monazite fracture "Conchoidal to uneven".
- Monazite gravity "4.6".
- Monazite habit "Commonly as prismatic or wedge-shaped crystals".
- Monazite hasPhotoCollection Monazite.
- Monazite id "vdHHUGwFoJE".
- Monazite luster "Resinous, vitreous to adamantine".
- Monazite mohs "5".
- Monazite name "Monazite".
- Monazite opticalprop "Biaxial".
- Monazite other "Radioactive if thorium-rich, dull brown cathodoluminescence, paramagnetic".
- Monazite pleochroism "Weak".
- Monazite refractive "nα = 1.770–1.793".
- Monazite refractive "nβ = 1.778–1.800".
- Monazite refractive "nγ = 1.823–1.860".
- Monazite streak "White".
- Monazite strunz "8".
- Monazite system Monoclinic_crystal_system.
- Monazite title "radiation paradise - the secret of the sand".
- Monazite twinning "Contact twins common".
- Monazite subject Category:Lanthanide_minerals.
- Monazite subject Category:Monoclinic_minerals.
- Monazite subject Category:Phosphate_minerals.
- Monazite subject Category:Thorium_minerals.
- Monazite type ChemicalSubstance.
- Monazite type Mineral.
- Monazite type ChemicalObject.
- Monazite type Thing.
- Monazite comment "Monazite is a reddish-brown phosphate mineral containing rare earth metals. It occurs usually in small isolated crystals.".
- Monazite label "Monacita".
- Monazite label "Monacyt".
- Monazite label "Monaziet".
- Monazite label "Monazit".
- Monazite label "Monazita".
- Monazite label "Monazite".
- Monazite label "Monazite".
- Monazite label "Monazite".
- Monazite label "Монацит".
- Monazite label "モナズ石".
- Monazite label "獨居石".
- Monazite sameAs Monazit.
- Monazite sameAs Μοναζίτης.
- Monazite sameAs Monacita.
- Monazite sameAs Monazite.
- Monazite sameAs Monazite.
- Monazite sameAs モナズ石.
- Monazite sameAs 모나자이트.
- Monazite sameAs Monaziet.
- Monazite sameAs Monacyt.
- Monazite sameAs Monazita.
- Monazite sameAs m.01b46f.
- Monazite sameAs Q422011.
- Monazite sameAs Q422011.
- Monazite wasDerivedFrom Monazite?oldid=606415544.
- Monazite depiction Monazit_-_Madagaskar.jpg.
- Monazite isPrimaryTopicOf Monazite.
- Monazite name "Monazite".