Michael J Lundquist's Photo Gallery
9V3-RH6Marcasite FeS2 , Calcite CaCO3 , Dolomite CaMg(CO3)2
Benchmark Quarry, St Johnsville, Montgomery County, New York, USADimensions: 7.4 cm x 3.8 cm x 3.2 cm
This miniature specimen measures 7.4x3.8x3.2cm. The photo is 1.5x1.5cm. Perfect calcite nodules up to 5mm with beautiful exposed marcasite needle clusters up to 4mm surrounded by dolomite all completely covering the dolomitic limestone host. One hardly noticeable, 1.5cm contact area. Collection of Michael J. Lundquist