Figure 9. Optical microscopy of geopolymer cements based on metakaolin and eggshells

From

Elaboration of Porous Geopolymer Cement from Sangaré Clay and Shell Egg Powder: Application as Thermal Insulation

Jeanne Atchana, Paul Nestor Djomou Djonga, Benoit Loura, Valery Gomdje Hambate, Jean Bosco Tchatchueng

American Journal of Materials Engineering and Technology. 2021, 9(1), 21-30 doi:10.12691/materials-9-1-2