A popular crystal from the group of native substances is sulfur stone, which comes in lemon yellow, red-orange and
Coal is a solid combustible mineral that has been used by humans for a long time.
History of discovery One of the main minerals of manganese - pyrolusite - was known in ancient times
For most peoples, cross-shaped amulets carry a sacred meaning. The crossed symbol is used as a sign of protection
Charles Lewis Tiffany, founder of Tiffany & Co, was born on February 15, 1812. Sun protection
Advertising: You've probably noticed that sometimes the thing you buy doesn't cost you as much as
The attractiveness of sapphire, this most beautiful precious stone, is so great that in ancient times it was called
Most of the signs and beliefs are associated with wearing a ring on the ring finger. This is due
Every jeweler, beginner or experienced, had a question in his head: how to melt gold in
How was flint formed? Scientists believe that flint appeared over sixty million years ago.