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Agate Psm Fossil Wood

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RHT675934

Agate Psm Fossil Wood

Pseudomorph

Description Tabs

Description
Locality: 
Bielandia, Filadélfia, Tocantins, Brazil
Class: 
Massive/Crystalline
Size Range: 
Cabinet (10-18 cm)
Size: 
14.1 × 12.2 × 2.5 cm
Weight: 
835.00gr
Description

A very good slice of a fossil tree fern (tietea singularis) replaced by agate. Age: 290 million years (lower Permian, Sakmarien). Both sides cut and polished. Very nice details of the inner structure.

I wonder if tree fern fossils could be really regarded as fossil wood ...

Mineral Data
What's on the rock

Agate

Variety Of: 

Chalcedony

Hardness: 
6.5 - 7.0
Formula: 
SiO2
Hardness: 
0.0

Wood

Variety Of: 

Plant

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