also named Ferroan-Magnesite ( magnesium,iron carbonate ) with formula (Mg,Fe2+)CO3 and hardness of 4.5.
Is a magnesite variety with higher iron content between 5 and 30%.
partial transparent/opaque with flaws, uncommon mineral that
comes from Val di Vizze, Bolzano province, Italy.
Size : 7.4x7.3x4.6 mm.
Weight: 1.74 ct.