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Bulletin of the National Research Centre
Fig. 2 | Bulletin of the National Research Centre

Fig. 2

From: Flux ceramic tiles based on Egyptian trachyte

Fig. 2

a Photomicrograph showing sanidine crystal (S) phenocryst altered to calcite (cc). (XPL). b Photomicrograph showing cracked albitephenocryst (Ab) exhibiting minor displacement along minor fault. (XPL). c Photomicrograph showing aegerine (Ag) crystal intruding severely altered sandine crystal (S) in ophetic relation (XPL) d Photomicrograph showing epidote (ep), apatite (ap) and chlorite (chl) overgrown on feldspar crystal. (XPL)

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