Purple stone
The color is the standard horse liver color, which is purple after wetting. The texture is fine and smooth as jade, and the ink performance is good. The ink is as bright as paint, as oil, and it takes a long time. Just like a new mill, the sound made by grinding ink is peaceful and rhythmic.
Violet stone
Purple is blue, or blue-gray, with the luster of peacock feathers, which can also be called "malachite". As delicate as orthoclase, it is more simple and elegant. The hardness is about 2.6 degrees, similar to orthoclase.
bluestone
It is cobalt blue or blue gray, and also has peacock tail feather luster, and occasionally has obvious texture or stars. Uniform structure, consistent lamination, clear knocking sound and high yield. It is most suitable for making bamboo inkstones, reflecting the straightness of bamboo and the spirit of cool breeze and bright festival.
Magic stone
It is gray ink, and the stone is as fine as purple stone, which is easy to ink. The ink is thick, impermeable for a long time, smooth and moist, and the ink color is gorgeous and abnormal. However, this stone contains a permeable layer, which is extremely rare, and all the gains are regarded as treasures.
Eye stone
Very rare, there are dots in the stone, which are different in size, much like eyes, some have eyes and pearls, some have pupils in the middle, and the outer layer is dizzy, up to eight or nine layers of "double eyelids". It is picturesque, and some are green and green, with abnormal appearance. These are called "living eyes", and some of them are not clear and bright, or just a white dot. These are extremely rare stones. The inkstone made of Phoenix Stone has extremely high ornamental value, and with exquisite carving, it has become a series of rare treasures with priceless value.