thortveitite

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Noun1.thortveitite - a mineral consisting of scandium yttrium silicate; a source of scandium
atomic number 21, Sc, scandium - a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
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Also, Franco had a few specimens of the rare scandium minerals cascandite and thortveitite from Baveno, Italy.
Bologna show 2006
Such was the variety here that no general summary is possible, but I might convey the sense of surprised discovery that awaited the browser by noting that I found a very sharply crystallized, 2.5 X 2.5-cm specimen of thortveitite from the classic locality of Iveland, Norway among the Boydston material.
Denver show 2005
It is also found in the hanging wall of the structure associated with bastnasite and very rarely with thortveitite.
The Trimouns quarry: Luzenac, Ariege, France
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