450
Pearl - a pearlescent coffin for the worm
Did you know that there is a pearl in a shell is not accidentally hit the back of a grain of sand? This is - a beautiful legend vendors surrounded the goods romantic flair. We admire the pearl, not knowing that the most beautiful pearl - it's just a pearlescent coffin for the worm.
Pearls are born, when inside a tiny parasite dies seashells, wade back through the leaf to eat meat mussels. By isolating the threat mussel begins to cover its layers of nacre, and so on until the end of life.
Even more cruel method of production seems cultured pearls, who in 1900 patented the Japanese Mikimoto Kokochu after 20 years of research. After all, to get the pearl - the symbol of purity - of committing shaped * weak asilovanie oysters. Biennial of pearl tricked into relaxing by placing in warm water, and when the shells are opened, make a puncture in the gonads (reproductive organs) and placed to seed. Most often it is polished bead of shells and a 2-mm plate of another oyster mantle epithelium, which stimulates the production of nacre. Three months later the tender pearl recover from this second operation, and many die.
But Mikimoto did not think that his business is tough. He is a former salesman noodles with vegetables, but believed that anyone, even the poorest, the Japanese should be able to enjoy the beauty, own it and wear it.
Source: www.znaeteli.ru
via factroom.ru
Prior to the beginning of the 20th century in Europe, a tradition of selling wives
In fact, blue eyes does not exist