India, April 3 -- A chunk of rock being used by an elderly woman in Romania as a doorstop turned out to be her most expensive possession when it was discovered that the stone was worth $1.1 million.

The 3.5-kilogram stone was found by the woman near a stream in southeast Romania and she brought the bright red coloured stone home to use as a doostrop.

The rock turned out to be one of the biggest intact amber in the world worth around $1.1 million after experts claimed that it was likely around 38 to 70 million years old.

Amber is millions of year old tree resin which fossilised into a hard, warm- toned gemstone over time. Interestingly, Amber has been mined in Romania for hundreds of year yet the rumanite's value was unknown to its owne...