
Opale Grezzo - 9 g
Limonite is a mineral that is composed mainly of hydrated iron oxides, typically goethite and/or lepidocrocite, along with other minerals such as magnetite, hematite, and quartz. It is a yellowish-brown to dark brown mineral with a dull or earthy lustre and a hardness of 4 to 5.5 on the Mohs scale. Limonite is a secondary mineral that forms from the weathering of other iron-bearing minerals and is often found as nodules, concretions, or layered deposits in sedimentary rocks or soils.
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