Hematite after Magnetite Pseudomorph - Argentina #2 Rare Crystals_Nuummite This lovely specimen of tabular

This lovely specimen of tabular Baryte is from Aouam in Morocco

Allosaurus

and has formed in a Septarian type nodule

along with rubies

Hematite after Magnetite Pseudomorph - Argentina #2 Rare Crystals_Nuummite This lovely specimen of tabularThis incredibly rare formation of Hematite after Magnetite is from the famous Payn Matr volcanic field in Mendoza, Argentina. The original crystals were Magnetite, but through a process called Martitization, the Magnetite oxidised and changed to Hematite, but keeping the original shape of the Magnetite crystals. You will receive the exact crystal pictured. Hematite is best known as one of the main iron ores. Hematite is usually seen as a dark black,