1, core

Iron core, also known as iron round core, is one of the most popular nuclei. The iron core is fine and hard, not easy to crack, uniform in color and fast in coloring. It is a top-grade olive stone, which is relatively expensive.

2. Oil sand core

The color and texture of the oil core are similar to those of the iron core, which is oily and has a wider range of engravable subjects. It is a kind of olive stone raw material with high yield and high cost performance.

3. Yellow fat core

Generally speaking, the yellow fat core is yellow in color, full in meat and short and wide in shape. Compared with iron core and oil core, yellow grease core takes a little longer to play with color.

4. Merlin nucleus

Meilinshi is also a common olivine with long appearance, full meat, fast patina and transparent color. Named after it was produced in Meilin County.

5. Crystal core

Finally, the crystal nucleus, there is a saying that the crystal nucleus is the king of olive nucleus. As a new variety, the crystal nucleus is fine and oily, and the disk changes color quickly, which is very suitable for carving.

Identification method of quality of olivine bracelet

1, look at the size of the olive nucleus.

Both large and small olive stones are rare, so their prices are relatively high, so their collection value will be higher.

2. Look at the color of the olive bracelet

Good olive bracelets should be the same size and color, and there will be no deep or shallow, otherwise there will be some problems on them.

3. Look at the carving process of the olive bracelet.

A good olive bracelet is exquisitely carved, and its expression is vivid, charming and lifelike, not that kind of dull expression.

4. Look at the carving theme of the olive bracelet.

The carving theme of a good olive bracelet is more fashionable, not the popular theme, and its collection value will be relatively higher.