No some stones are obtained from different parts of the world being Ceylon, Madagascar, Burma and Thailand.
The smaller sapphire are from our own previous mining.
Yes most sapphires are heated to remove silk and enhance the colour.
The Beryllium treatment is again an enhancement to improve the colour, but we personally do not request the treatment, but possibly the previous owner may have requested that treatment.
This test is something that even the regular gemmologists cannot do without specific laboratory equipment.
This is something that the experts argue about but it’s still a sapphire enhanced for good colour.
Yes, the Opals are from various states of Australia being Queensland Boulder Opal, New South Wales Black Opal and South Australian white Opal.