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Appearance, Uses and History
Magnesite is primarily used to produce magnesium oxide, which is used as a refractory material, particularly in the steel industry.
It is often carved and dyed for jewellery usage, particularly in blue and green tones, intended to resemble Turquoise.
Research is currently being undertaken into trying to lock carbon dioxide into Magnesite in order to offset the greenhouse gas damage to our environment.
Magnesite can be found in Australia, Austria, Brazil (some very nice crystalline specimens), China, Czechia, Greece, India, Poland, Russia, Slovakia, Spain, Turkey, and the USA.
However, many of these countries may mine the mineral purely for industrial use, and not many specimens may enter the collectors market.
However, most Magnesite in jewellery use is in opaque nuggets.
Photos of Magnesite
Photos of dyed Magnesite
Hazards and Warnings
Almost all rocks, minerals (and, frankly, almost all other substances on earth) can produce toxic dust when cutting, which can cause serious respiratory conditions including silicosis.
When cutting or polishing rocks, minerals, shells, etc, all work should be done wet to minimise the dust, and a suitable respirator or extraction system should be used.
Mandarin and Traditional Chinese: