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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...
  • 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...
  • 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....
  • 03 Nov, 2016
    Joy Desor
    Recently I obtained a specimen from Tsumeb without a name. It underwent elemental analysis and turned out to be beudantite. This case shows that elemental analysis can be very useful. Even if the precision is limited, in the...