IDENTIFY GEMSTONES OPTIONS

The listing of common or ancient birthstones most very well-acknowledged in The usa in fact originated in Poland in between the sixteenth and 18th hundreds of years. In 1912, the Countrywide Association of Jewelers introduced a list of so-referred to as “fashionable birthstones.” The trendy checklist differed fairly from the traditional, most n

Birefringence Testing Birefringence testing offers you One more vital attribute regarding your stone that may help you decide its identity. To find out a stone's birefringence, even though the stone continues to be to the hemicylinder crystal, you can come up with a number of about six somewhere around 30-diploma turns, until the stone has turned "