What beads are there in the Duobao bracelet?

Duobao bracelet is made of agate, crystal, coral, amber and pearl.

1, agate is also called agate, Kate Ma, agate, etc. , a chalcedony mineral, is often a banded block mixed with opal and aphanitic, with hardness of 6.5-7 degrees and specific gravity of 2.65, and its color is quite layered. Translucent or opaque. The primitive form of tripartite crystal system. It is often dense and massive, forming various structures, such as breast, grape and tuberculosis. The common structure is concentric circles. Chalcedony has different colors, usually green, red, yellow, brown, white and so on.

2. Crystal is a rare mineral, a kind of gem, and a timely crystal, which belongs to the timely family in mineralogy. When pure, colorless and transparent crystals are formed. When containing trace elements such as aluminum and iron, it is pink, purple, yellow and brown. Inclusion crystals contain associated inclusion minerals, such as hair crystal, green ghost, red rabbit hair, etc. The inclusions are rutile, tourmaline, actinolite and mica.

3. Coral is a shell secreted by coral, which exists in the form of microcrystalline calcite aggregate and contains a certain amount of organic matter. Corals are mostly dendritic, with vertical stripes on them, often white in color, with a little blue and black. Coral not only looks like branches, but also has bright and beautiful colors and can be used as decorations.

4. Amber is a kind of transparent biological fossil, which is the resin fossil of Pinaceae, Juniperaceae, Taxodiaceae and other plants. Resin dripped down and was buried underground for thousands of years. It petrifies under the action of pressure and heat, and some of them contain small insects such as bees, which is unusual. Amber is mostly formed by resin fossils of Pinaceae plants, so it is also called "turpentine fossil".

5. Pearl, also known as mussel bead and lotus bead, is an ancient organic gem, which is mainly produced in mollusks such as pearl shellfish and Pinctada. Rich in variety, different in shape and colorful.

The above contents refer to Baidu Encyclopedia-Agate