The gem is not only our common diamond, the gem scope is very widespread, including many types.

Diamond:colorless gem, because the diamond output is very big, moreover is in itself also colorless, therefore puts out the diamond submits to is a category alone.

The white quartz: the amethyst, the occidental topaz, the purple topaz, the rubases, the powder crystal, the blue quartz, the titanium crystal, the smoky quartz, the spirit crystal, the citrine (other name smoky topaz), the soft quartz, the long neck hair crystal, send the crystal. Our country north and south each region has produces, the Jiangsu Donghai County is rich in the mineral crystal.

Jadeite: has purple, red, the ash, yellow, white isochromatic, but take green as expensive, it is our country close neighbor Burma's famous special product.

Coral: draws bonus, the white two colors, is one kind of seabed coelenterate fossil, the quality which our country Taiwan Province produces is very good.

Bead: pearl (sea water pearl, fresh water pearl), cultured pearl (sea water cultured pearl, fresh water cultured pearl).

Stone: the pagodite, the turquoise, the lapis lazuli, the cotton rose stone, the petrified wood (other name fierce appearance stone), the peach blossom stone，the green copper ore, the blue grain.