DONUT Jade Jadeite Pendant natural green white untreated necklace roulette
eight diagrams jade jade DONUT Jade Jadeite Pendant natural green white untreated necklace roulette.
Origin: Myanmar. 100% handmade carving.
Types: ice type Grade-A jadeite jade
Dimensions: 45mm * 45mm * 5mm (length, width and thickness.)
Color ：green white lavender
About eight diagrams jade :-
this is a jade Fengshui roulette, inside is a jade bead, it can be moved, you can put it in the house to bring good Fengshui to your family, or wear it, jade has magical protective powers that keep the wearer from harm and travellers from sickness.
Grade A jadeite (also called type-A jadeite)refers to the natural jadeite which has not been treated by any chemical method and the internal structure of the jadeite is not destroyed because it is not bleached and dyed at all:
it has standard characteristics as following:
The proportion of jadeite: 3.25 – 3.35;
The Mohs hardness of jadeite: 6.5 – 7;
The melting point of jadeite: 900° C – 1000° C;
The refractive index of jadeite: 1.65 – 1.67.
There would be an obscure shadow boundary on 1.66 of the refractometer.
The luminescence of the jadeite: Light color jadeite will show dim and fluorescent white light under the long-wave ultraviolet light, and there would be no reaction under the short-wave ultraviolet light.
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