Assertion: periclase | /r/HasProperty | observed
Facets:
Source sentences:
text: X-Ray Diffraction (XRD) tests have indicated that samples mixed this way yield higher amounts of Syngenite than Struvite-K, as well as elevated ratios of unreacted MgO (Periclase has been observed) and Bassanite (CaSO 4 .½H 2 O).