Fig. 7: A BRP with the partially preserved fine-grained structure of the original raw material—limestone. | npj Heritage Science

Fig. 7: A BRP with the partially preserved fine-grained structure of the original raw material—limestone.

From: Baroque stucco techniques of Baldassarre Fontana at Kroměříž Château

Fig. 7: A BRP with the partially preserved fine-grained structure of the original raw material—limestone.The alternative text for this image may have been generated using AI.

Sample STK 2, PPL (upper half), XPL (lower half) (A). Distinctive sharp-angled fragments of coarse crystalline marble in a fine-grained calcitic matrix with BRPs. Sample STK 12, XPL (B). A finely crystalline limestone particle (center) with quartz grains in matrix, a possible relict of thermal disturbance. Sample STK 2, PPL (C). Stucco mortar with siliciclastic aggregates and crushed marble as a minor component. Sample STK 8, XPL (D).

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