Top 10 das mais incareditaveis pedras preciosas verdes
Vivianite... Vivianite is a well-known phosphate mineral, forming in highly aesthetic sharply colored crystals. Vivianite is named in honor of John Henry Vivian, an English mineralogist and mine owner who first discovered this mineral in Cornwall.Chemical formula Fe3(PO4)2 · 8(H2O)
Geode with pink crystals - how to hunt for geodes.
Rutile crystals on Hematite... This is nature at her best... This is art to me. Crystal Porn.
Quartz var.Smoky with Ankerite - Hocharn, Kärnten, Austria Size: 8.2 x 5.7 x 3.8 cm