Joaquinite-(Ce) is a rare silicate mineral with the chemical formula NaBa2Ce2Fe2+Ti2Si8O26(OH)·2H2O. It crystallizes in the monoclinic system with orthorhombic pseudomorphism and exhibits tabular crystals.
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{{Infobox mineral|name=Joaquinite-(Ce)|image=Joaquinite-(Ce)-187583.jpg|category=Silicate|formula=NaBa2Ce2Fe2+Ti2Si8O26(OH)·2H2O|strunz=9.CJ.05|symmetry=P21/m|unit cell=a = , b = , c = , β = °; Z=2 |color=Dark grey|habit=Tabular crystals|twinning=Polysynthetic on {001}|cleavage=Good on {001}|fracture=Uneven|tenacity=Brittle|mohs=5.5|luster=Vitreous|opticalprop=Biaxial (-)|birefringence=|pleochroism=Strong red-brown|2V=|dispersion=|fluorescence=None|streak=White|gravity=|diaphaneity=Translucent|other=Internal reflections strong red-brown}}
Joaquinite-(Ce) is a rare silicate mineral with the chemical formula NaBa2Ce2Fe2+Ti2Si8O26(OH)·2H2O. It crystallizes in the monoclinic system with orthorhombic pseudomorphism and exhibits tabular crystals.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).