yttrocrasite

noun

yt·tro·cra·site

plural -s

Definition of yttrocrasite

: a mineral approximately (Y,Th,U,Ca)₂(Ti,Fe,W)₄O₁₁ or (Y,Th,U,Ca)(Ti,Fe,W)₂O₅(OH) consisting of an oxide or basic oxide of the yttrium metals, thorium, uranium, titanium, iron, and tungsten and occurring in pitchy-black orthorhombic crystals (hardness 5.5–6, specific gravity 4.8)

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“Yttrocrasite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/yttrocrasite. Accessed 10 Apr. 2021.

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