Marthozite is an orthorhombic mineral that has a general formula of Cu(UO2)3(SeO3)3(OH)2·7H2O. It was named after Belgian mineralogist Aimé Marthoz (1894–1962), former Director-general of the Union Minière du Haut Katanga (UMHK).
{{Infobox mineral | name = Marthozite | category = Oxide mineral (uranyl selenite) | boxwidth = | boxbgcolor = | image = Marthozite-jr-6b.jpg | imagesize = 260px | caption = Marthozite crystals in a vug, from Katanga (size: 6.2 x 5.3 x 4.0 cm) | formula = Cu(UO2)3(SeO3)3(OH)2·7H2O | IMAsymbol = Mhz | molweight = 1,303.67 g/mol | strunz = 4.JJ.05 | system = Orthorhombic | class = Pyramidal (mm2) (same H-M symbol) | symmetry = Pbn21 | unit cell = a = 16.4 Å, b = 17.2 Å, c = 6.98 Å; Z = 4 | color = Greenish brown | habit = Bladed | twinning = | cleavage = {100} perfect, {010} indistinct | fracture = | tenacity = | mohs = 6 | luster = | refractive = 1.780–1.800 | opticalprop = Biaxial (−) | birefringence = | dispersion = Extreme | pleochroism = Yellowish brown to greenish yellow | 2V = 39° | streak = | gravity = 4.44 | density = | melt = | fusibility = | diagnostic = | solubility = | diaphaneity = | other = 25px Radioactive | references = }}
Marthozite is an orthorhombic mineral that has a general formula of Cu(UO2)3(SeO3)3(OH)2·7H2O. It was named after Belgian mineralogist Aimé Marthoz (1894–1962), former Director-general of the Union Minière du Haut Katanga (UMHK).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).