4mm Blue Sapphire Earrings in Sterling Silver Barite The gold-colored crystals inside are

The gold-colored crystals inside are calcite

Amber has the ability to preserve bits of forest debris from millions of years ago

Its teeth were similar in structure to today's Great White but significantly larger

having heard of the Sericho find

the Neanderthal living in what is now Southern Spain may have been the last to encounter Modern Man

4mm Blue Sapphire Earrings in Sterling Silver Barite The gold-colored crystals inside areThe word sapphire comes from the Greek translation for blue and was used in ancient times to describe any blue stone, often lapis lazuli. Around 1800 it was discovered that sapphires are a gem variety of corundum, the other being ruby. Corundum is a hard stone, rating a 9 on the Mohs scale, making it the second hardest natural mineral. Its chemical composition is aluminum oxide. The many colors in which corundum occurs are due to the presence of other