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A selection of antique, hand-crafted Chinese jade buttons
Unworked jade

Jade is an ornamental stane. The term jade is applied tae twa different metamorphic rocks that are made up o different silicate minerals:

  • Nephrite consists o a microcrystalline interlockin fibrous matrix o the calcium, magnesium-iron rich amphibole mineral series tremolite (calcium-magnesium)-ferroactinolite (calcium-magnesium-iron). The middle member o this series wi an intermediate composeetion is cried actinolite (the silky fibrous mineral furm is ane form o asbestos). The heicher the iron content the greener the colour.
  • Jadeite is a sodium- an aluminium-rich pyroxene. The gem form o the mineral is a microcrystalline interlockin crystal matrix.