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Xenotime

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Xen´o`time
n.1.(Min.) A native phosphate of yttrium occurring in yellowish-brown tetragonal crystals.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.xenotime - a brown-to-yellow mineral that is a phosphate of yttrium in crystalline form
atomic number 69, thulium, Tm - a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime
atomic number 70, Yb, ytterbium - a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime
atomic number 39, Y, yttrium - a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition


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The section on petrology includes a diverse suite of articles that cover apatite in igneous systems (Piccoli and Candela), apatite, monazite, and xenotime in metamorphic systems (Spear and Pyle), electron microprobe analysis of the aforementioned (Pyle, Spear, Wark), and sedimentary phosphates (Knudesen and Gunter).
The monoclinic, monazite structure, orthophosphates show a higher degree of Pb incorporation than the tetragonal xenotime structure, orthophosphates.
 
 
 
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