Semi-Precious Stone Collections

We are all acquainted with precious stones, referring to the 'big four' in the world of gemstones: diamond, ruby, emerald, and sapphire.

Then there are semi precious stones, which often leave people perplexed with regard to their concept and differences from precious stones. To put it into perspective, any gemstone that isn't a diamond, ruby, emerald, or sapphire is a semi precious stone. 

Over 100 gemstones labelled as semi-precious stones which include beryl, chalcedony, agates, onyx, tourmaline, spinel, topaz, turquoise, zircon, amethyst, Alexandrite, cat's eyes, bloodstones, moonstones, and sunstones