Crystals can be as large as a car or as small as a grain of sand. But while some (looking at you, quartz) are quite common, others are almost impossible to find. But what are the rarest crystals in...
Category: Nature
Diamonds are easily some of the most popular gemstones in the world—not to mention one of the most expensive birthstones! But while you can find some loose diamonds retailing for a few hundred...
There's a good chance you think about gold and silver when you hear "precious metal." After all, many jewelry pieces, furnishings, and decorative items feature these high-value metals. But it might...
Gemstones have captivated people since ancient times, and emeralds are no exception. One of the oldest emerald mines in the world, located in Egypt, was built more than 3,500 years ago! But not all...
Sapphires are some of the world's most expensive birthstones, and they've been used to create luxurious jewelry since ancient times. Known for their deep, sky-blue color, these gemstones continue to...
Rubies are the most expensive birthstones, with some selling for more than $1 million per carat! But, you may be wondering, what are the most valuable rubies, and what makes them so incredibly...