Some Interesting facts about Turquoise
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The turquoise has a long history which has played a major role in the popularity of the gem.
The mineral turquoise is formed by a chmical reaction which occurs when water containing specific minerals such as copper and aluminium leak through a rock. It forms in veins, which later then turn into a clump of turquoise.
One of the earliest known turquoise producing regions is Persia, these stones mostly come in their pure, robin's egg blue colour. Historians believe the stone has been mined for more than 2,000 years. Sarabit el-Khadim and Wadi Maghareh are believed to be the oldest known mines in the region.
A turquoise ring in the lab for a jewellery report & valuation for insurance
The US is a significant source of turquoise and plays an important role in the history of the gem. From central mexico up into the American southwest, turquoise was mined and cherished for generations.
Turquoise is considered one of the highest value minerals in the world by most collectors.
Other minerals have been used to imitate turquoise. Turquoise is often dyed and stabilized with resins to produce a harder stone which retains its colour and polish.Pure turquoise is a relatively soft stone ranging between 5 and 6 on the Mohs scale of hardness.
