Vandenbrandeite is a mineral named after a Belgian geologist, Pierre Van den Brande, who discovered an ore deposit. It was named in 1932, and has been a valid mineral ever since then.
via Wikidata · CC0
{{Infobox mineral|boxbgcolor=#277627|boxtextcolor = #fff|name=Vandenbrandeite|image=Vandenbrandeite makro2.jpg|formula=Cu(UO2)(OH)4| IMAsymbol = Vbd|strunz=04.GB.45|system=Triclinic|dana=05.03.02.01|class=Triclinic-Pinacoidal|symmetry=P|unit cell=254.99 ų|color=Blackish green to dark green with bluish green tint|cleavage=Perfect on {001}, {110} Distinct and also indisctinct in the [001] zone|fracture=None|tenacity=Brittle|mohs=4|luster=Vitreous, sub-vitreous, greasy|opticalprop=Biaxial (-)|refractive=nα = 1.765 - 1.770 nβ = 1.780 - 1.792 nγ = 1.800|birefringence=0.035|pleochroism=Visible|2V=Measured 90° Calculated 60°- 88°|dispersion=Visible to strong|fluorescence=None|streak=Green|gravity=5.03|density=5.03|diaphaneity=Transparent, translucent|other=25px Radioactive}}
Vandenbrandeite is a mineral named after a Belgian geologist, Pierre Van den Brande, who discovered an ore deposit. It was named in 1932, and has been a valid mineral ever since then.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).