Fossil Information (Phanerozoic Eon)

Fossil Type:Rock
Fossil Description:Polished rock, red/brown goldstone (monkstone)
Relative Size:Small
Discovery Location (City, ST):Most likely from Italy.
Color:Red/brown with metallic flakes
Comments:Man-made from silica (silicon dioxide, SiO2) and metal oxides, such as copper ruby glass and purpurin glass with metallic copper crystal inclusions. Cobalt or manganese crystal inclusions create blue or purple. Possibly made by monks in Italy. Blue and pu
Collector Name:RLD
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