Meaning of steenstrupine | Babel Free
Definitions
A rare dark brown mineral, (La,Ca,Na)(Al,Fe,Mn)(Si,P)(O,OH,F)₄, found in Greenland, occurring in rhombohedral crystals or massive formations.
Examples
“It is a remarkable fact that the most fresh steenstrupine in lujavrites and veins is found in rocks carrying albite (and ussingite).”
“In most of the Ilímaussaq rocks, Th and U are concentrated in eudialyte, but in the final lujavrites they are largely held by steenstrupine.”
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.
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