Silica phase-transformations during diagenesis within petrified woods found in fluvial deposits from Thailand–Myanmar

Petrified woods typically form in two geological environments,
1) trees transported by streams and rivers become buried in...

Dickite: a gem material for carving from Thailand

Dickite (Al2Si2O5(OH)4) from Saraburi, Thailand, is a raw material
for the ceramics industries. It is also an ornamental gem...