Iridescent Calcite Specimen - Oskaloosa, USA #2 green usually made of iron or

usually made of iron or manganese

Celestite is a reasonably soft mineral

It was discovered in 1910 and was registered as a trademarked name by its discoverer

with many ancient civilisations using it for jewellery

Iridescent Calcite Specimen - Oskaloosa, USA #2 green usually made of iron orThis beautiful iridescent Calcite specimen is from Oskaloosa, Iowa, USA and has gorgeous iridescent druzy like crystals giving a colourful sheen. You will receive the exact Calcite crystal pictured. Calcite is found all over the world in a variety of forms and colours, often in combination with other minerals. The more common forms of Calcite are Orange, Blue, Green and Yellow, Iceland Spar is a clear double refractive variety that forms natural