Semi-hard clay is often referred to as "leather-hard" clay. At this stage, the clay has dried enough to hold its shape but is still pliable and can be easily carved or burnished. It’s an ideal consistency for adding attachments or details to pottery or sculptures before firing.
Hard and dry clay dose not
Terracotta is not a stone, it is clay. It is not hard until it has been fired in a kiln or oven. Also, although the clay is found in nature, the finished product called terracotta is not.
Most of the time, it's still called Clay. After it dries, it is/they are clay bricks.
That kind of clay is called terra cotta.
It will be rock hard.
That is called "leather hard" clay
Hard stony clay is commonly referred to as clayey soil. It is characterized by its high clay content, making it dense and difficult to cultivate.
A ground up rock and boulders in a hard stony clay is commonly referred to as gravel or rocky clay soil.
Leather Hard
Port Salut
Someone that plays much better on clay courts than hard courts. On clay courts, the balls bounce higher, slows down more and spin is exaggerated vs a hard court. Some player's game is more suited for clay courts. Some these players will often do much better on clay courts than hard courts (and visa versa). These are called clay court specialists.
port salut
Hard and dry clay dose not
Terracotta is not a stone, it is clay. It is not hard until it has been fired in a kiln or oven. Also, although the clay is found in nature, the finished product called terracotta is not.
The Greeks used a really weird type of clay called the tiygu. This clay is very soft until fired then it becomes harder than most clays. The Greek, sometimes, also use a clay called dertiu which is a very rare clay found in Canada. This type of clay is very hard and only some of the more experienced Greeks could make pots with dertiu clay>
No nursing a semi is to get an almost hard on
The hard outermost layer of the Earth is called crust.