And not from Broken Hill! Marshite is a rare copper iodide mineral, originally found at Broken Hill. There is one other locality in Australia where it has been found, and that is the Poona mine,[…]
Photographed and catalogued tonight… Adamite from the Ojuela Mine, Mexico, fluoresces a bright green colour. This is caused by the presence of (UO2)2+ (Uranyl ion) as impurities.
I was right. My photo was used in the “Luminescence of Gems“, presented by Dr. Emmanuel Fritsch. To recap, as reported in my earlier post, at one point in the presentation, I recognised a photo[…]
Last night, I joined a Zoom session organised by the Asian Institute of Gemological Sciences (AIGS), Thailand. These sessions have been running weekly for quite a few weeks now (I think this was number 7).[…]
Repair. Verb. Restore (something damaged, faulty, or worn) to a good condition. Nature produces some fantastic mineral specimens. We usually only get to see them after they have been extracted from the Earth. And sometimes,[…]
I will be spending more time from next week on The Collector’s Guide to the Minerals of Lake Boga publication, once we get the last of the tradesmen out. One of the minerals that Boga[…]
Greenockite is fairly common in Australian lead-zinc orebodies, but generally occurs as a bright yellow coating or crust. Woodlawn produced some of the nicest crystals that have been found, if not a little small. Deep[…]