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Items filtered by date: September 2017
12 Sep

Silver has been used for jewellery since ancient times and is mined all over the world. It was widely used in the late 18th Century for setting diamonds because its white colour complimented the colourless stones better than gold. Apart from for peasant jewellery, silver did not become a widely accepted metal until the latter half of the 19th Century, after the discovery of huge deposits in Nevada in 1860. This sudden availability was coupled with increasingly well-off middle and working classes with money to spend on inexpensive jewellery.

06 Sep

 

Did you know?

Magma is the source of all minerals. It compromises all of the basic elements found on earth.

05 Sep

The term sapphire is applied to all types of the mineral corundum (an aluminium oxide) except the ruby, Sapphires are much more common than rubies, and stones exceeding 10ct are not rare. Deposits are found in Kashmir, Burma, Thailand, Sri Lanka, Australia and Montana...