Marcasite & Calcite Specimen - Buffalo, Iowa #4 Popular Crystals_Tourmaline Size: 10cm x 9cm x

Size: 10cm x 9cm x 9cm

Aquamarine is the blue variety of the mineral Beryl

Noreena Jasper is prized for its rich reddish-brown

Calcite and Aragonite are both forms of calcium carbonate with exactly the same chemical formula

which has banding of white quartz in

Marcasite & Calcite Specimen - Buffalo, Iowa #4 Popular Crystals_Tourmaline Size: 10cm x 9cm xThis beautiful specimen is from the Linwood Mine in Buffalo, Iowa, USA and has icy clear Calcite crystals with inclusions of Marcasite. You will receive the exact crystal pictured. Weight: 113g Size: 64mm x 44mm 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