Polished Indigo Gabbro Pebble - Madagascar - Polished Stones 4.5 cm / 56g / BF841

Gabbro is not a mineral but a group of minerals and originates in the igneous rock of the ocean crust. Formed of grains like Granite (feldspar, mica), it does not contain Quartz, but feldspar, chlorites, muscovite, pyroxenes, magnetite, olivine and many other elements such as iron oxides or magnesium.

Unique piece - Contractual photos

Origin: polished stones from Madagascar

Dimensions: 4.5 x 3.2 x 2.2 cm

Weight: 56 g