Quartz Point Earrings Opal is a form of

Opal is a form of amorphous silica

Location: Mashamba West Mine

This fossil has specimens on both sides in addition to a secondary species

This amethyst free form has a very interesting shape

Quartz Point Earrings Opal is a form ofBacking: Hook & Rubber Quartz is the second most abundant mineral on Earth accounting for around 12 % of the Earth's crust. Its name is derived from the German word "quarz" meaning hard. Quartz can form in trigonal or hexagonal crystal systems depending on the temperature during formation. Crystallized quartz ideally forms a six sided crystal terminating with six sided pyramids. The majority of quartz forms from molten magma. The largest quartz