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JADEITE
翡翠 (QUALITY & VALUE (Texture (Old Mine - The finest texture…
JADEITE
翡翠
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QUALITY & VALUE
Colour
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Colour Range: Lavender, red, orange,
yellow, brown, white, black or gray.
Lavender is jadeite's second most valued color.
--> Light purple hue & highly saturated is most prized.
Evenly distributed, uniform & strong color is
far more valuable than jadeite w/ uneven coloration
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Cutting Styles
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Hololith - Gemstone jewelry carved
entirely from a single piece of rough
Ex: Bangles, rings & pendants
Double Cabochon
- intensify the color
- deepen the light toned & translucent material
Treatment
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Type B - Natural jadeite that's bleached
in acid to remove undesirable staining, then impregnated with wax or polymers.
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THE JADEITE MARKET
Sources & Mining
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In general, the intense global demand
for jadeite exceeds production
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Judging & Buying
Jadeite boulders hide their color and transparency under a crusty SKIIN (brownish or yellowish outer covering)
River Jade - Thin-skinned boulders, likely to have show points that allow accurate estimates of its quality & color.
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Today, as in ancient times,
jadeite is the most prized gem in Asia.
NEPHRITE
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Source
The Maris of New Zealand, China & Canada --> Nephire
Nephrite is an excellent, readily available, lower-priced alternative to jadeite.
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SUBSTITUTE
Maw-sit-sit
- Top quality - highly saturated, deep green color
- The source is also a traditional mining location
- The mineral jade is often only a minor component of maw-sit-site
Serpentine
(Korea Jade)
- Similar to nephrite in hardness
- Appearance
-- uniform, semi-transparent deep green, w/ numerous fine, opaque black magnetite inclusion
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