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or with goethite brown or yellow
This fossil plate gives a wonderful insight into the "fossilized ecology"
Description: This attractive stem of Araucarioxylon arizonicum was cut and trimmed from a larger stem found near Petrified Forest National Park in Arizona
Description: Modern shaped cube made of Indonesian petrified wood
The delicate and intricate structure of the crinoid's arms and crown is beautifully preserved
Malachit-Rundtischplatte | Kongo Ammonite or with goethite brown orOrigin: Congo Size: D60cm Description: Malachite round table top with a variety of turquoise shades. Additional information: Malachite is a gangue mineral, but a widely distributed mineral of copper, a basic copper carbonate, Cu2CO3(OH)2. Due to its striking bright green color and its occurrence in the weathering zone of almost all copper deposits, malachite serves as a guide in copper prospecting. Significant deposits are Nizhny Tagil (Siberia),
