Osmundaceae Fossil Fern 32.98 ct Round Cabochon 32.80 x 5.40 mm 200 m y o The geological period should be Triassic max3548

Osmundaceae Fossil Fern32.98 ct Round Cabochon 32.80 x 5.40 mm max3548

Osmundaceae fossil fern 200 m y o

this fossil fern belongs to a group of over 20 species, therefore not easy to identify.

The fossilization is amazing, the channel structure is clearly visible, the material is quite hard and rich in manganese oxide. The geological period should be Triassic and the location unknown.Hand polished on both sides