See also: Thortveitite

English edit

Etymology edit

Thortveit +‎ -ite, after Norwegian engineer Olaus Thortveit.

Noun edit

 
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thortveitite (usually uncountable, plural thortveitites)

  1. (mineralogy) A scandium yttrium silicate mineral, greyish-green, black or grey in colour, the primary source of scandium.

Further reading edit