Tags » Chalcedony
454 Agate palmstone – Agate is the name given to numerous varieties of banded Chalcedony, a mineral of the Quartz family (silicon dioxide). Usually banded in layers, or stripes, some varieties have “eye” markings, or specks of colour, some have fossilized inclusions, and others are solid. 15 more words
274 Pink Agate – 10g – Agate is defined as a ‘banded’ variety of Chalcedony, which is a variety of microcrystalline fibrous Quartz. The colour (mainly black, white, blue, red, green, yellow, orange, brown, pink, purple and grey) is due to minute quantities of various elements; and the banding is due to the gradual cooling of the Silica (silicon dioxide).