Bottom groove green,Because it is usually at the bottom of the purple mud layer,So the name is old and tender,The mineral material is generally purple-brown compact,Green-green bean mottled,Fuchsia after firing。

Clear cement,Generally purple-brown dense block,There are mica fragments,Light green spots on the mineral、Striped,After firing, it is purple-brown red,High temperature is purple and black、Dark cyan,Generally refers..

Read More