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Basic knowledge of jewelry(5)

by lilisis
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9、 What is Dongling Jade?

 

Dongling jade is geologically called chromite mica quartzite, with hardness of 7, specific gravity of 2.65, brittleness, translucence and uneven fracture. It can be divided into green Dongling stone, blue Dongling stone and red Dongling jade according to its color. Dongling jade is mainly produced in India, also known as Indian jade. It is often used as necklace beads, bracelet beads, small pendant ornaments, and also as ornaments.

 

10、 What is Venus Stone?

 

Venus stone, also known as placer gold or gold placer amphibolite, is a kind of quartzite containing mica flakes or fine slices of iron oxide minerals, which is named after the shining Venus like light. In the market, they are often used as bracelet beads, necklace beads, chicken hearts or materials for drawing seals.

 

11、 What is a pearl?

 

Pearls are round beads formed by the pearl liquid secreted by some shellfish in the sea or fresh water due to the friction stimulation of foreign substances entering (or artificially put into) their bodies. Its chemical composition is mainly calcium carbonate. The pearls can be divided into sea water beads, fresh water beads and artificially cultivated pearls according to their output, and white beads with white texture and black texture and variegated pearls according to their color.

 

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