Polished Septarian nodule Freeform From Madagascar pyrite Pampas District

Pampas District

Orpiment is a protective stone

Outstanding Rare Twin Formation Of Gypsum From The Naica Mine

calcium and aluminium silicate

Size 6cm by 3cm

Polished Septarian nodule Freeform From Madagascar pyrite Pampas DistrictPolished Septarian nodule Freeform From Madagascar Weight 0. 540kg Size 11cm by 7cm Thickness 6cm Septarian is the name given to a concretion stone composed of a sedimentary rock and Calcite, and is usually found as ovoid or spherical nodules. Concretion is derived from two latin words con meaning together and crescere meaning to grow, and this can be used to describe the formation and characteristic markings of this unusual stone. This unique mineral