We can supply big quantity gypsum/alabaster powder.
Mineralogical composition:
X-ray diffraction / petrography
Gypsum (so4ca.2h2o).................... 92, 05%
Celestine ........................................ 2, 6 %
Carbonates................................... 1, 95%
Quartz.............................................. 1, 3 %
Clay minerals............... 2, 1%
Chemical composition
Atomic emission spectrometry icp plasma unless another method is detailed.
Na and ba were also analyzed with results below the detection limit.
Humidity (dehydration 30âºc) 0, 15%
Crystallization water (dehydration 200âºc) 19, 24%
So3 43, 94%
Co2 (volumetry) 0, 89%
Cao 30, 91%
Mgo 0, 17%
Sro 1, 47%
Sio2 2, 32%
Fe2o3 (volumetry) 0, 15%
Al2o3 0, 69%
K2o (flame spectroscophy) 0, 20%
Total 100, 13%
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