In this specimen, we can see pyroxmangite, pink in color, accompanied by black veins of todorokite and by tephroite, which appears as more brownish patches. I have conducted studies on similar specimens that showed a predominance of pyroxmangite over rhodonite, which also occurs in this mine and is more massive; often they appear mixed.

This sample belongs from an old mining operation that we generically call the Serrana mine, although in fact it consists of two separate workings, with two distinct spoil heaps: one corresponding to the Serrana mine proper (with horizontal workings), and the other (closer to the river, with vertical workings) known as the Manganès mine. Right next to the mine, there is an interesting winery that takes advantage of one of the mines as a wine cellar.

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This specimen is from my old field trips to the El Molar (Tarragona) area. In this sample we combine rhodonite (more granular appearance, crystalline) with pyroxmangite (more compact appearance). Accompanied by black veins of todorokite. The tephroite, scarce, appears as patches of brownish tone in the manganese oxydes. These differentiations rhodonite-pyroxmangite are indicative, both minerals usually appear mixed.

It is an old mine we call generically as Serrana mine, although in fact there are two different mines, with two separate dumps, one corresponding to the actual Serrana mine (with horizontal works), while the other (closest to the river and with vertical works) would be known as Manganese mine.

This specimen is from my old field trips to the El Molar (Tarragona) area. In this sample we combine rhodonite (more granular appearance, crystalline) with pyroxmangite (more compact appearance). Accompanied by black veins of todorokite. The tephroite, scarce, appears as patches of brownish tone. These differentiations rhodonite-pyroxmangite are indicative, both minerals usually appear mixed.

It is an old mine we call generically as Serrana mine, although in fact there are two different mines, with two separate dumps, one corresponding to the actual Serrana mine (with horizontal works), while the other (closest to the river and with vertical works) would be known as Manganese mine.