Angel Wing Calcite #8 Colour_Blue Marcasite is a polymorph of

Marcasite is a polymorph of Pyrite

but are usually more common green Garnet varieties such as Grossular or Pyrope garnets coloured by Chromium impurities

This unusual Marcasite with Pyrite Specimen is from Morocco

New South Wales

This twinned yellow Fluorite comes from the highly sought after Lady Annabella Mine in the UK

Angel Wing Calcite #8 Colour_Blue Marcasite is a polymorph ofThis Angel Wing Calcite specimen is from the more unusual location of Portugal, rather than most Angel Wing Calcite which is typically from Mexico. The trade name comes from the flattened, almost blade like formations of the Calcite, which are typically very thin in the Mexican specimens, but some of these pieces have a chunkier form, though still flattened. You will receive the exact crystal shown in the photos. Angel Wing Calcite is the name given