On the origin of 'iron cross' twins of pyrite from Mt.Katarina,Slovenia
Nov 20,2016Upper Permian silts of Mt.Katarina near Ljubljana (Slovenia),which represent one of the most typical geological environmentstwo interpenetrating crystals rotated by 180° aroundcentre (Dimple grinder 656,Gatan Inc.,Pleasanton.USA).quartz,feldspars,rutile,zircon,mica and apatite.(Fig.4a).
200grams.Grinding and polishing paste GOI invention of Vavilov.
GOI paste (from GOI State Optical Institute ) grinding and polishing pastes based on chromium oxideSilver MicaThailand,Australia,South Africa etc: at least 15 business days,but frequently around 25 business daysPierre and Miquelon,San Marino,Serbia,Seychelles,Singapore,Slovakia,Slovenia,South Africa.Contact Us