Imperial topaz, the exquisite gemstone for November birthdays, is treasured for its splendid golden to reddish-brown colors. It belongs to the topaz family and is a silicate mineral made up mostly of aluminum and fluorine. The name of this gemstone hails from the 17th-century Russian tsars, who reserved the rights to the pinkish-orange topaz found in the Ural Mountains of Russia. It is also referred to as "precious topaz" to set it apart from other types of topaz. Formation and Deposits Imperial topaz typically forms in cavities in igneous (volcanic) rocks such as granite and rhyolite. The formation process involves the crystallization of magma, where topaz crystals grow in the…