Ametrine is a combination of amethyst and citrine. It has the healing powers of both stones. Ametrine's healing energy releases negativity from within the aura... and it aids weight loss and helps you to release your addictions. If are studying, the Citrine energy within this stone helps you to stay focused... as well as using the Amethyst vibration within it... the higher energies of the crown chakra.... for inspiration.
A beautiful raw sapphire "The foundations of the city walls were decorated with every kind of precious stone. The first foundation was jasper, the second sapphire, the third agate, the fourth emerald," ~ Revelation 21:19
The 138.5 carat flawless Ruspoli Sapphire aka The Grand Sapphire of Louis XIV of France. Today the sapphire resides in the Paris Museum of Natural History. The sapphire is probably originally from Ceylon (Sri Lanka).