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Joy Desor Mineralanalytik

    Latest Blog Posts

    • Analytical Investigations - Calamaite, a new Ti dominant sulfate mineral
      12 Mar, 2017
      Joy Desor
      Calamaite is the third natural Ti dominant sulfate mineral known yet. Russian scientists recognized this phase, occuring as filigrane colourless sprays, while doing some analytical investigations in a matrix of coquimbite...
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    • Tsumeb - Tsumgallite on a specimen of a good friend!
      19 Feb, 2017
      Joy Desor
      This weekend three of my friends visited me for some analytical work on their self collected and collection material. One of them had an old Tsumeb sample hosting filigrane silky masses on germanite renierite matrix. Not...
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    • Greenockite - a small beauty from the Tsumeb mine
      17 Feb, 2017
      Joy Desor
      Greenockite from Tsumeb forms beautiful hexagonal orange crystals in cavities of Cd rich galena. Often the specimens host brownish Cd rich smithsonite. Crystal size is usually around 50-100µm. Studies under the electron...
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    • Tsumeb - Bartelkeite returns!
      17 Jan, 2017
      Joy Desor
      When I started examining micro minerals I came across a nice specimen hosting olive green bartelkeite. It was pure luck to find this mineral. This is what I can say now looking back at the small number of specimens I had....
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