Vivianite - Specimen Mali 5cm x 15cm x 9cm

5cm x 15cm x  9cm

this specimen has a more solid and sculptural look

5cm x 2cm Approximate Weight of 1 Piece: 25g

Quantity: 1 bone fragment

meaning it has the same chemical composition as quartz (SiO₂) but a different crystal structure

Vivianite - Specimen Mali 5cm x 15cm x 9cmMined from: Minas Gerais, Brazil Description: This one of a kind Vivianite specimen from Brazil features deep blue black to greenish black bladed crystals partially embedded in a warm ochre brown matrix. The glossy crystal faces show strong linear striations, sharp edges, and naturally layered growth, creating a dramatic contrast against the earthy, botryoidal textured host rock. Small green blue flashes can be seen in some areas, adding depth and