Azurite - Specimen pyrite crystal form porous limestone around organic material

porous limestone around organic material over time

It forms when iron oxide (hematite) is deposited within the quartz crystal

These fossils are from the Late Cretaceous Period

while Hematite has long been valued as an iron ore and pigment mineral

Azurite - Specimen pyrite crystal form porous limestone around organic materialMined from: Liufengshan Mine, Guichi District, Chizhou, Anhui, China Description: This one of a kind Azurite mineral specimen from China features a rough, porous matrix coated with deep navy blue to nearly black blue Azurite crystals and bright green Malachite patches. The surface has a rugged, vuggy structure with small sparkling crystal pockets set into natural cavities. The blue and green copper minerals give the piece strong colour contrast