Botryoidal hematite

Botryoidal Hematite Natural Mineral From Filon 12 Mfiz Taouz Morocco Size- 4.6cm x 3.8cm x 1.5cm Weight- 67g You will receive the item in the photo Botryoidal hematite is a common iron oxide form featuring grape like rounded surface masses with a metallic or sub-metallic luster. Mineral class- Oxide Crystal system- Trigonal Hardness- 5-6.5 on the MOHs scale. Rock formation- Found in sedimentary rocks (such as banded iron formations),hydrothermal veins and as a weathering product in igneous and metamorphic rocks. Botryoidal habit formation: Forms when iron rich mineral fluids or gels precipitate and microscopic fibrous crystals radiate outwards from centralized nucleation points into open space,creating smooth,rounded,bubbly external layers.