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yttrium
y t t r i u m hex:#121;#116;#116;#114;#105;#117;#109;
The Salt of the World?
- Yttrium - n. - A rare metallic element of the boron-aluminium group, found in gadolinite and other rare minerals, and extracted as a dark gray powder. Symbol Y. Atomic weight, 89.
- Yttriferous - a. - Bearing or containing yttrium or the allied elements; as, gadolinite is one of the yttriferous minerals.
- Gadolinium - n. - A supposed rare metallic element, with a characteristic spectrum, found associated with yttrium and other rare metals. Its individuality and properties have not yet been determined.
- Xenotime - n. - A native phosphate of yttrium occurring in yellowish-brown tetragonal crystals.
- Ytterbium - n. - A rare element of the boron group, sometimes associated with yttrium or other related elements, as in euxenite and gadolinite. Symbol Yb; provisional atomic weight 173.2. Cf. Yttrium.