Serpentine

 

The massive varieties of serpentinite are particularl~ preciated by gemologists when they have a definite, pi ing color, and are then called simply serpentine or m: "serpentine jade." The term jade is a misnomer, bW understandable because, as in the case of jadeite jade nephrite jade, it relates to the uses made of these mate as a result of certain properties they possess, rather to their mineralogical status.


Appearance It is translucent, waxy, usually gree white to soft pale green. Sometimes, groups or row small, striking, whitish cloud shapes are visible on th side. The yellow-green to definite green varieties are common. Multicolored pieces are also found, with green to green, yellow-green, or brown patches. Ser: tine is mainly used for the carved figurines or decor vases up to eight to twelve inches high, typical of Chc art. Being fairly tenacious (although less so than jade) suitable for the fashioning of the classic vases with har chains carved from a sing0e piece of stone.

Very elab. compositions are often found as well, such as - branches, groups of birds, and flowering shrubs. S~ use of different patches of color increases the valL such pieces. But serpentine is used still more often fc large-scale production of low quality items, because less costly than true jade and easier to work, being hard. Typical of this type of work are small elephants c ental divinities. The less common, green, yellow-greyellow varieties are also rounded, polished, and madEbeads for necklaces and bracelets.


Distinctive features When the color is greenish v. with a waxy translucence and the characteristic :. cloud formations just below the surface, it is easily re nizable at first sight. It differs from jadeite jade in hav lower density and hardness. It is mainly distinguished w nephrite jade, which is normally a bit less translucent less waxy, by its density, while the difference in haro is less clear (the serpentine used for ornamental purp has a hardness range of 4.5 to 5.


Occurrence Most serpentine used for ornamental i poses comes from England, New Zealand, Korea, C, and the United States.
Value Its value is slightly lower than that of nephrite It is therefore quite high for finely crafted objects, pos fashioned from multicolored pieces, but distinctly lo,-. mass-produced items.


Simulants and synthetics Oriental-style figurines been produced from a light green, translucent, waxy-~ ing plastic. These are highly deceptive at first sight, locvery much like serpentine. Their density is much howe, it is not always easy to detect without proper measurer Serpentine has not been produced synthetically.

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