SOLD | Sehr große Quarzschale mit Turmalin Einschlüsse | Brasilien Holzmaden Fossil after the bent sutures) are

after the bent sutures) are an extinct order of late Paleozoic ammonites (Ammonoidea)

is valued as a semi-precious stone for its violet colour

Additional Information: Petrified wood is fossilized wood where all organic materials have been replaced by minerals while the structure of the wood remains intact

Even the smallest details such as tree rings and various tissue structures can be preserved in this way

but it contains more iron oxide than any other variety of quartz

SOLD | Sehr große Quarzschale mit Turmalin Einschlüsse | Brasilien Holzmaden Fossil after the bent sutures) areOrigin: Brazil Size: H27cm W90cm D60cm Weight: 95 kg Gross weight: 146 kg Description: Cut and polished bowl shape with tourmaline inclusions, which highlights a white silver, transparent color. The bottom is cut flat. Additional Information: Quartz has attracted attention since the earliest times; water clear crystals were known to the ancient Greeks as krystallos hence the name crystal or more commonly rock crystal used for this variety.