Opal Hill
1:30:00
Opal Hill
Dec 15, 2012
gjhikes.com
Natural Welo Opal from Ethiopia | #Geology #GeologyPage #WeloOpal #Opal #Ethiopia Many of the opals mined in Ethiopia are hydrophane opals, particularly from the Welo rocks. Hydrophane Opal is a fresh word designed to define a specific Opal form. Ethiopian opal is one of today’s most varied and spectacular opal types on the market. Because this type of opal is new, there is no industry-accepted way of grading this type of opal like the black opal. Black opal is in darkness, color brightness and
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