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A complex black mineral occuring in pegmatites
Answer for the clue "A complex black mineral occuring in pegmatites ", 10 letters:
samarskite
Word definitions for samarskite in dictionaries
WordNet
Word definitions in WordNet
n. a complex black mineral occuring in pegmatites
Wiktionary
Word definitions in Wiktionary
n. (context mineralogy English) A shiny black radioactive mineral that contains a complex mixture of rare earth oxides
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Samarskite \Sa*mar"skite\, a. [After Samarski, a Russian.] (Min.) A rare mineral having a velvet-black color and submetallic luster. It is a niobate of uranium, iron, and the yttrium and cerium metals.
Usage examples of samarskite.
Samarskite: Samarskite is a hard and heavy, velvet-black rareearth mineral with a metallic luster.