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

We're nearing the end of our gemology journey and have arrived at gemstones beginning with W. Most gemstones beginning with W are simply

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

Sapphire is the gemstone quality variant of the mineral corundum, occurring in many colours except red – red sapphires do exist, but they&#3

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

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