Bellidoite
Bellidoite is an IMA-recognized mineral species in the sulfide class, with the chemical formula Cu₂Se.
It crystallizes in the tetragonal crystal system (space group P4_2/n).
Key properties: Mohs hardness 3; specific gravity 7.01; Metallic luster.
IMA symbol Bld, IMA status: approved, named in 1970.
Formed at medium to low temperatures with other hydrothermal selenides and sulfides.
It is found associated with Berzelianite, umangite, eskebornite, klockmannite, djurleite, digenite, siderite, calcite.
The name refers to Eleodoro Bellido Bravo, Director of Servicio de Geologı́a y Minerı́a, Peru.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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