Minerals identify

Know how to recognize them



Zykaite or zýkaite is a grey-white mineral consisting of arsenic and oxygen This dull mineral is very soft with a Mohs hardness of 2.5. It is translucent and crystallizes in the orthorhombic

Its common associates , gypsum and arsenopyrite It is found in the Czech Republic

Zykaite was first described in 1978 for an occurrence in the Safary mine, Kutná Hora, Bohemia and named in honour of Vaclav Zyka (born 1926), a Czech geochemist


Crystal ( diaphaneity )