steenstrupine

S1T1E1E1N1S1T1R1U1P3I1N1E1

noun

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.

Scrabble 15
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Meanings

nounsteenstrupine (uncountable)
  1. uncountablechemistryA 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.

    It is a remarkable fact that the most fresh steenstrupine in lujavrites and veins is found in rocks carrying albite (and ussingite).

    1963, Bent Eske Koch, E. I. Hamilton, William E Davies, Meddelelser Om Grønland, page 31
    1 more example

    In most of the Ilímaussaq rocks, Th and U are concentrated in eudialyte, but in the final lujavrites they are largely held by steenstrupine.

    1979, Rapport, numbers 95-103, page 110

Origin

From Steenstrup + -ine.

Full word history & related roots →
Cite this entry
APA

steenstrupine. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/steenstrupine

MLA

“steenstrupine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/steenstrupine. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “steenstrupine,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/steenstrupine.

Source: steenstrupine on Wiktionary, CC BY-SA 4.0.