Queitite is a lead zinc silicate sulphate that was named after the mineral dealer Clive S. Queit, who collected the first specimens. It got approved by the IMA in 1979, and it is an extremely rare secondary mineral.
{{Infobox mineral|boxbgcolor=#cccccc|image=Queitite.jpg|formula=Pb4Zn2(SO4)(SiO4)(Si2O7)|IMAsymbol=Que|strunz=9.BF.20|system=Monoclinic|dana=58.1.3.1|class=Sphenoidal H-M Symbol: 2|symmetry=P21|unit cell=719.46|color=Colorless, White, Pale Yellow|twinning={100} and {001}|cleavage=Indistinct on {010} and {001}|mohs=4|luster=Greasy|opticalprop=Biaxial (+)|refractive=nα = 1.899(4) nβ = 1.901 nγ = 1.903(4)|birefringence=0.004|2V=Measured: 90° Calculated: 88°|dispersion=Extreme r 4Zn2(SO4)(SiO4)(Si2O7)}}
Queitite is a lead zinc silicate sulphate that was named after the mineral dealer Clive S. Queit, who collected the first specimens. It got approved by the IMA in 1979, and it is an extremely rare secondary mineral.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).