Mexican Fire Agate a variety of chalcedony (SiO2), is a semi-precious natural gemstone found only in certain areas of northern Mexico and the southwestern United States.There is no actual object inside the stone, this special effect arises from light
Cinnamon frog. This species is found from Yala in extreme southern Thailand (Taylor 1962) through Peninsular Malaysia (Berry 1975), Singapore (Lim and Lim 1992), Sumatra (including Siberut in the Mentawai Islands) in Indonesia, northern parts of Born