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Fire Opal from Welo, Ethopia

Fire Opal from Welo, Ethopia

€220.00Price

Fire Opal from Welo, Ethopia

 

Very beautiful blue color with sublime multicolored iridescence !

 

Video: https://www.youtube.com/watch?v=tyJLWwpFG6E

 

Size: 2.6cm by 1.7cm by 1.5cm for 4gr

Definition :

An opal is a mineral composed of hydrated silica with the formula SiO2 n H2O, with traces of uranium, magnesium, calcium, aluminum, iron, arsenic, sodium and potassium. The water content is usually between 3 and 9  %  ; it can reach 20  % according to the varieties. It is a very popular mineral in jewelry !

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