Analyzing coarse-grained materials poses significant challenges, as standard X-ray diffraction techniques such as 2θ scans, ω-2θ scans, Bragg-Brentano geometry, parallel beam setups, or in-plane diffraction often fail to produce a representative powder pattern. This difficulty arises from the limited number of grains satisfying the Bragg condition, either due to their large size relative to the irradiated volume or a highly pronounced texture.

In this work, we present experimental data for CrCl₃, where wide reciprocal space maps (RSMs) were recorded while azimuthally oscillating the sample. These RSMs were compared with standard diffraction scans, and numerical simulations were employed to identify the present phase.

Even low-resolution RSMs reveal peak splitting indicative of the expected monoclinic phase; however, it remains unclear whether this splitting is intrinsic or an artifact caused by probing different grains within the sample. To resolve this, we propose further high-resolution diffraction experiments capable of unambiguously detecting peak splitting.

Additionally, recent experiments on other coarse-grained materials will be presented and discussed.