THE GEMHOOD EDITORIAL LIBRARY
Nephrite Jade gemstone guide
Nephrite is one of the two materials recognised as jade, separate from jadeite; its interlocking fibres contribute to unusual toughness. Ask whether jade is nephrite or jadeite and disclose wax, dye, impregnation or composite treatments.
Gem facts · Quality considerations · Care & meaning
A study in colour and character
Every shade has a story.
Typical appearances for Nephrite Jade. Natural stones vary, and lighting or treatment can change their appearance.
Where Nephrite Jade is found
Canada; New Zealand; China
Canada
New Zealand
China
These are representative geological or commercial sources, not certified provenance for an individual stone. Country of origin should be substantiated independently when relevant to value.
What is Nephrite Jade?
Nephrite is one of the two materials recognised as jade, separate from jadeite; its interlocking fibres contribute to unusual toughness. Typical material appears in cream, spinach green, dark green and brown shades, and is commonly described as tremolite-actinolite amphibole aggregate. The Mohs hardness for this material is approximately 6–6.5; hardness refers to resistance to scratching, not to breaking, cleavage or sensitivity to chemicals. Ask whether jade is nephrite or jadeite and disclose wax, dye, impregnation or composite treatments. Typical geological or commercial source regions include Canada; New Zealand; China; this does not establish the provenance of an individual gem. Wipe with a damp cloth and use gentle soap as appropriate; avoid acids, steam and sudden thermal changes. Ask for confirmation of identity, natural or lab-created status, and any treatments when choosing an individual stone.
History and cultural context
Nephrite Jade is included in this educational directory for its distinctive material, appearance and cultural or collector interest. Nephrite is one of the two materials recognised as jade, separate from jadeite; its interlocking fibres contribute to unusual toughness. Gem varieties and trade names can overlap: the precise identity of a particular specimen should be independently confirmed when relevant.
Colour and appearance
Cream, spinach green, dark green and brown
Jewellery suitability
Ask whether jade is nephrite or jadeite and disclose wax, dye, impregnation or composite treatments.
Caring for Nephrite Jade
Wipe with a damp cloth and use gentle soap as appropriate; avoid acids, steam and sudden thermal changes.
Cleaning guidance
Wipe with a damp cloth and use gentle soap as appropriate; avoid acids, steam and sudden thermal changes.
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Educational articles describe gemstone types and common trade practices. They are not individual gemological certificates, current price appraisals or medical advice.