Posts Tagged ‘citrine’

November has two birthstone choices – Topaz and Citrine November Birthstones November birthstones are topaz and citrine.  At one time, topaz was a term used for any yellow gem; today, it describes the mineral fluoro-hydrozy silicate (the chemical name for topaz).  Topaz is the hardest of all silicate minerals.  Natural topaz is colorless, but impurities…