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Ktenasite- Trentini Mine, Contrada Trentini, Monte Naro - Riolo Valley side, Monte Naro, Torrebelvicino, Vicenza Province, Veneto, Italy (#:MINS9203)

Green Ktenasite xls in spherical formation richly set on matrix.

Formula :
(Zn,Cu)₅[(OH)₆/(SO₄)₂] * 6 H₂O
System: monoclinic Hardness:2-2½ Rarity:rare
Strunz id:VI/D.3-70 - SULFATES, CHROMATES, MOLYBDATES and TUNGSTATES
Name origin: Named by P. Kokkoros in 1950 after Konstantinos I. Ktenas (1884-1935), Greek physician, professor of mineralogy and petrology (since 1908) and Dean (1918) of the National and Kapodistrian University of Athens, Director of the Museum of Mineralogy and Paleontology and of the Zoological Museum of the University (1918), Head of the Greek Geological Survey and one of the founding members of the Academy of Athens (1926).