So what's the difference between Jade and Jadeite?

Jade carving and rounded green jade stoneI had a customer ask me this question ... so a quick answer is this.  "Jade" refers to a green carvable stone, and depending on where it is coming from it will be either Jadeite or Nephrite.

What are the main differences between Jadeite and Nephrite?

First of all Jadeite and Nephrite are very different minerals.

They have different properties:  

  • densities
  • hardness
  • crystal structure
  • chemical composition
Gemstone Properties Jadeite (rarer) Nephrite
Hardness 6.5 - 7 on Mohs Scale 6 - 6.5 on Mohs Scale
Specific Gravity 3.30 - 3.50 2.90 - 3.02
Chemical Characteristics Sodium & aluminium Calcium & magnesium
Colour Wide variations in colours. The well know green but also yellow, pink and lavender.   Usually found in green or dark green but also white jade or even reddish jade.
Mined Burma China
quality factors Nephrite Carvings

 

 Information source GIA

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