The X-ray diffraction (XRD) technique is a very accurate instrument that may be used to determine the hydration of cementitious materials. This technique involves time-resolved quantitative analysis with an appropriate level of accuracy with the sample. The topic of microbial calcite precipitated cement hydration was being examined in this study. The first section consisted of a study of the numerous pieces of literature that were associated with XRD, a discussion of the various experimental strategies, and the selection of the appropriate method for testing the bio-concrete. Comparative analysis was performed between the conventional samples and the bio-concrete samples. The bacteria belonging to the Bacillus family, which are responsible for precipitating calcite, were selected for the testing in this study. In order to ascertain the quantity of calcite precipitation and cementitious components, Bacillus subtilis and Bacillus halodurans are utilised as analytical laboratories. An investigation of the effectiveness of cement hydration was carried out when bacteria were present. It was also described how this strategy works, as well as its advantages and disadvantages. We are able to draw the conclusion that the selection of an appropriate experimental setup that provides accurate data and a short measurement time, the appropriate evaluation of a variety of unstructured and limitations in the XRD diffraction analysis, and an effective data analysis for the periodic critical factors are all necessary for an effective analysis. There is a strong recommendation that independent methodologies be utilised in order to supplement the data obtained from the bio-concrete XRD. Through the utilisation of such an appropriate data analysis routine, progress is made, consistency of time-resolved research is maintained, and operator variability is affected, all while avoiding outcomes that are unrealistic. The future of Fourier transform infrared spectroscopy (FT-IR) in environmental microbiology is expected to feature a wide variety of revolutionary applications and developments. These include the creation of comprehensive and standardised FT-IR libraries for the purpose of precise microbial identification, the incorporation of advanced analytical techniques, the adoption of high-throughput and single-cell analysis, real-time environmental monitoring through the utilisation of portable FT-IR systems, and the incorporation of FT-IR data into ecological modelling for the purpose of gaining predictive insights into microbial responses to changes in the environment. The utilisation of these novel approaches holds the potential to considerably increase our comprehension of microorganisms and the intricate interactions that they have within a variety of ecosystems.