Pink Sapphire Ribbon e8993852685725bfc93c4d0ee2096cd4

Pink Sapphire Ribbon e8993852685725bfc93c4d0ee2096cd4The 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

it may very well have been that Neanderthal and Modern Man could have seen each other's camp fires between the Straight of Gibraltar

Petoskey Stones are concentrated in Traverse Bay and Little Traverse Bay around Petoskey

Vanadinite crystals form in near-perfect hexagons

It is composed of microscopically fine fibrous crystals

and slight iron content produces a yellow stone

The chambers of Ammonites were separated by a tissue called septa

meat eating dinosaur

"stone of sky

It was discovered in 1902 by gemologist George Frederick Kunz (this is where Kunzite got its name)

Stegosaurus is one of the most recognizable kinds of dinosaurs

the area was sub-tropical and many different species flourished

In shallow seas nearby