Onyx is a variety of agate encountered in white, black and beige-brown color. Its name is of Greek origin and refers to the lines that can be seen on the claws of several animals. It is considered to give courage to overcome difficulties and encourage decision-making. This mineral is also mentioned in Theophrastus’ work. In the bible, it represents the twelfth tribe of Benjamin.
Lava is the molten substance released by volcanoes, and is an Italian word meaning ‘flooding’. The Earth’s crust is largely made up of solidified lava. Lava is often used to make jewelry. In fact, lava and gagate jewelry were also fashionable in the 19th century during the so-called Victorian period.