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hodgkinsonite
Discovered in 1913, its name honors H.H.Hodgkinson of the Franklin Mine in New Jersey, United States, where it was discovered.
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Discovered in 1913, its name honors H.H.Hodgkinson of the Franklin Mine in New Jersey, United States, where it was discovered.
Its name honors the French mineralogist Alfred Des Cloizeaux (1817-1897), it was discovered in 1854 in the Sierra de Cordoba in Argentina. The best crystals are from Namibia. The mottramite is a vanadate of lead and copper.
Its name comes from the Latin “Cuprum” which means copper, it was discovered by von Haidinger in 1845. The chaloctrichite is a form that looks like thin hair hence the name derived from Greek (copper hair). There are massive varieties mixed with chrysocolla and tenorite
For the geologist, the mineralogist and the gemologist, it is neither a mineral or a fossil, or even a rock. This is the central limestone axis around which small polyps have developed, they secrete it and shelter there. These are animals of the Coelenterata phylum