Figure 6
From: Unraveling the rapid CO2 mineralization experiment using the Paraná flood basalts of South America

(A–C) Solution reservoir (Fig. 2, step 4) with a thin layer of precipitate after 18 days. (D–G) Backscattered electron images showing that the precipitate consists mainly of trigonal and orthorhombic crystals surrounded by a matrix of cryptocrystalline crystals.