Ireland’s unofficial national gemstone, Connemara marble is a calcite marble that contains large amounts of serpentine. Green in color, its name comes from the locality in western Ireland where it is mined. Mining of this ornamental rock is one of Ireland’s oldest industries and there’s even a visitor’s center devoted to this decorative stone. The perfect stone to represent Ireland, which has long been known as the ‘Emerald Isle’, Connemara marble has been carved into a wide variety of decorative items throughout history. Known since the Stone Age, Connemara marble has also been used over the centuries as a medium of exchange.
Connemara Marble Classification
||Connemara Marble |
Connemara Marble Characteristic Physical properties
The term onyx marble is a misnomer sometimes used to describe a rock made up of alternating layers of different colored calcite.The alternating bands closely resemble those that can form in onyx, however, onyx is a silicate mineral and calcite is a carbonate and their physical properties are dramatically different.
Onyx Marble Classification
||Onyx Marble |
Onyx Marble Characteristic Physical properties
||Onyx marble is a banded granular aggregate and is often dyed. |