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  • 19 Dec, 2018
    Joy Desor
    Analysis of a sample from the Moschellandsberg mainly consisting of malachite, calomel and minor eglestonite provided the evidence of a new mercury arsenate from this locality: Chursinite. Previous SEM-EDS analysis revealed...
  • 14 Dec, 2017
    Joy Desor
    This project is all about new finds which were confirmed by XRD and other methods. It will be updated from time to time. The download of the file for December 2017 is available here: http://mineralanalytik.de/images/...
  • 06 Dec, 2017
    Joy Desor
    We got our new xray diffractometer this week. It will come with a two dimensional detector which enables out of plane bragg peak measurement. This allows ultra fast measurements or extremely low concentrations of mineral...
  • 12 Jul, 2017
    Joy Desor
    When starting offering analytical service I got in contact with some passionate mineral collectors. This allowed me too examine some minerals, I did not hold in my hands before. As you can see in my current auction, I can...
  • 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...
  • 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...
  • 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...
  • 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....
  • 29 Nov, 2016
    Joy Desor
    Weishanite is a very rare gold-silver amalgam, which had two localities. Recent investigations of a unknown metallic hexagonal phase on an old sample hosting verified magnolite showed that this is Weishanite in beautiful...
  • 21 Nov, 2016
    Joy Desor
    Apart from EDS analysis at a charge of 15€/sample, we now offer our e-rocks customers, who buy more than ten specimens per month, five analysis for free per year. For more information have a look at: http://www....
  • 21 Nov, 2016
    Joy Desor
    EDS confirmed galloplumbogummite spheres (pictures 1-5; picture no. can be seen by mouse overlay on the pictures below) in germanite renierite ore, accompanied by otjisumeite needles (pictures 8-10), unknown bright phase (...
  • 05 Nov, 2016
    Joy Desor
    Apart from selling on e-rocks I am a passionate field collector. Everybody else doing so knows how difficult it can be to collect at a new locality. When the new e-rocks was introduced I was really happy to use the database...

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