The Oath Journal
Gemstones & Birthstones
Identify the topaz variety first: blue and white topaz are affordable and treated, while natural imperial topaz is the rare, precious one...
Gemstones & Birthstones
What makes a fine topaz: why color leads from rare Imperial orange to treated blue, why most blue topaz is irradiated, plus clarity, clea...
Gemstones & Birthstones
November's birthstones are topaz and citrine. Their meaning, golden colors, hardness, and how to choose and care for topaz and citrine je...
