Synthesis of Libethenite through hydrothermal reactions


  • Germán Sierra Gallego Universidad Nacional de Colombia
  • Adriana Echavarría Universidad de Antioquia
  • Luz Amparo Palacio Universidad de Antioquia


Libethenite, copper phosphates, hydrothermal synthesis


The mineral Libethenite Cu2 (PO4 )(OH) was prepared through hydrothermal reaction under milder conditions than those previously reported. The product was characterized by X-ray diffraction (XRD), thermogravimetric analysis (TGA) and atomic absorption (AA). The crystal data were determined by X-ray crystallographic studies, which can be summarized as follows: space group Pnnm, a = 8,071(2), b = 8,403(4), c = 5,898(3) Å, V = 399 Å3 and Z = 4. Thermal analysis and X-ray diffraction studies showed that the solid is stable up to 580 oC. At higher temperatures the Libetinita decomposes in Cu4 O(PO4 )2 and water.

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Author Biographies

Germán Sierra Gallego, Universidad Nacional de Colombia

Escuela de Ingeniería de Materiales,

Adriana Echavarría, Universidad de Antioquia

Instituto de Química y Facultad de Ingeniería Química

Luz Amparo Palacio, Universidad de Antioquia

Instituto de Química y Facultad de Ingeniería Química


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How to Cite

Sierra Gallego, G. ., Echavarría , A., & Palacio , L. A. . (2013). Synthesis of Libethenite through hydrothermal reactions. Revista Facultad De Ingeniería Universidad De Antioquia, (48), 9–17. Retrieved from

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