A cellphone made of marble is bound to be heavy. It’s what your rich caveman dude would be making deals on if cavemen had such devices. There are some advantages to stone cellphones. It can be used as a weapon should you be attacked, it will survive drops from super high and you can carve pretty primitive pictures on it even.

Sadly this is just a concept. The Mobiado CPT001 is not available. The shipments would weigh too much for trucks to haul anyway. Sorry Fred and Barney.

Apple has reportedly been working on this new interface since day one, even though publicly claiming that Snow Leopard would be more about performance and stability enhancements than sweeping feature changes. Even so AppleInsider claims that an upcoming 10.6 developer beta could feature a new UI codnamed “marble.”

Apparently it would be sleeker than the current look, and there’s some speculation that the new scrollbars in iTunes and iPhoto offer a glimpse into the future, along with the mockup of the new QuickTime X player above.