Quarzschale | Madagaskar Minerals Rhodochrosite 20 million years ago

20 million years ago

the pit was used industrially to extract petroleum (mineral oil)

potassium and titanium may be present

are examples of living fossils

fine-grained or dense variety of the quartz mineral chert that exhibits various colors

Quarzschale | Madagaskar Minerals Rhodochrosite 20 million years agoOrigin: Madagascar Size: H18cm W49cm D29cm Description: Cut and polished into a bowl shape that highlights a white silver transparent coloration. The bottom is cut flat for presentation. 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.