These days it is easy to source gemstones, sometimes directly from the workshop and thanks to advancements in tools even traditional cabochon/faceted stones, such as diamond and emerald, can be bought as holed beads.
As amateur gemmologists stones and minerals fascinate us and we hope this list (which seems to be ever growing), is of interest to you.
Visit CrystalVaults.com for more information on the origins and beliefs surrounding gems and minerals.