Ground seashells are often referred to as crushed seashells or shell grit. They are commonly used in gardening and landscaping to improve soil drainage and provide calcium to plant roots.
A good site to identify seashells is seashells.org or seashells.com
There is no such thing as seashells language.
Gardening helps you relax. It can lower your blood pressure. It is also good exercise.
GARDENING!!!!
The possessive form of "seashells" is "seashells'."
Colloquially, people who are good at gardening are referred to as having a "green thumb".
You can find a good gardening trowel at a number of different gardening supply stores. Some examples of these might be Home Hardware, Canadian Tire or Lowe's.
A good place too look for help with gardening is at your local flower, gardening or hardware shops. You can purchase good, detailed books on the subject at a local bookstore or online. For online help, there are many guides with tips and tricks for gardening. This is one of them: www.gardening.about.com
Try www.seashells.org.
I am a beginning gardener and find the best resource for black thumb gardeners is a website entitled www.gardeningtips.com. There is also a program on the learning channel that features gardening tips it is entitled the gardening program.
If you are considering it to use as a manure then raw eggs have no effect on gardening.