posnjakite
/ˈpɒznjəkʌɪt/Mineralogy
noun
A rare blue to greenish-blue mineral, occurring in encrustations and prismatic crystals, which is a hydrated basic copper sulphate, Cu4(SO4)(OH)6·H2O, closely similar to langite and crystallizing in the monoclinic system.
Origin
1960s; earliest use found in Mineralogical Abstracts. From the name of Eugene Waldemar Posnjak, U.S. geochemist + -ite, after Russian poznjakit.
- kleftiko
- Klein bottle
- Klein, Calvin
- Klein, Melanie
- Klemperer, Otto
- Klemperer, Werner
- klepht
- kleptocracy
- kleptocrat
- kleptocratic
- kleptomania
- kleptomaniac
- kleptoparasite
- kleptoparasitic
- kleptoparasitism
- Klerk, F. W. de
- Klerksdorp
- kletterschuh
- klezmer
- klick
- klieg
- klieg light
- klik
- Klimt, Gustav
- Klinefelter's syndrome