Mexican Fire Opals formed in white to soft-tone brown potch are known for their beautiful orange crystals. Opal is an October birthstone. Mexico has been the world’s primary source of fire opal for nearly 100 years. The Mexican fire opal deposits produce significant amounts of transparent to translucent, bright orange to orange-red material but als in bright blues and greens.
Black agate is a form of chalcedony which is a form of Quartz crystal. Black agate stone is found all over the world with the biggest mines in Brazil, Mexico, United States, Uruguay, and Madagascar. Black agate is associated with the zodiac sign of Gemini.
