Zebra Stone is a sedimentary rock found only in the East Kimberley region of Western Australia, characterised by its layered stripes of brow

Vivianite is an extremely unusual gem in that its colour disintegrates with exposure to light. The gem forms alongside fossils and ancient s

Unakite occurs in shades of mottled green and pink and when polished into beads or cabochons for jewellery use it's considered a semi-pr

If you've heard of Taaffeite before, well done you! This gemstone, believe it or not, was discovered AFTER it had been cut and polished

A Rhinestone is an imitation diamond, with the name originally given to rock crystals collected in the Rhine River regions of Germany and Au

Quartz, otherwise known as Rock Crystal, is an abundant natural mineral found in many forms. A lot of the popular gemstones you know are a v

Originally 'rhinestone' was the name given to natural rock crystals gathered in the Rhine River regions of Europe. These quartz crys

Natural pearls are formed when an irritant enters the shell (or is introduced in the case of cultured pearls), and the mollusc begins to coa

Obsidian is a natural black, variegated black, red, or orange volcanic glass formed from cooling lava. It's been used by people for many

There's not a lot we can say about gemstones beginning with N because there really aren't many! Sure, there are regionally named var