| These opals are found in a round nodular form within a 3 meter thick layer of welded volcanic ash. Only about 1% of these nodules contain colour.|
The colours are very striking with red being common and blue quite rare which is the opposite to Australian opals.
|Welo Opals are found in a plateau 2500 to 3299 meters above sea level. Only locals are allowed to mine this field. They work the horizontal level of steep mountains with basic hand tools.|
|Ethiopia Is considered one of the oldest inhabited human areas on the planet. The Awash Valley has one of the most complete preserved Australopithecine fossils, around 3.2 million years old.|