Everything For The Detectorist - Reference & Timelines
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More Indepth notes on Metals
Source: Bibliography
Geological Rocks & Minerals
Designed by Nigel G Wilcox
Ref: E3
Emerald
Name: Beryl (var.Emerald)
Location: Campo Formosa, Caraiba, Brazil
Date: 2008
Composition: Be3Al2Si6O18
Name: Gachala Emerald
Location: Vega de San Juan Mine, Colombia
Date: 2003
Caption: This 858 carat uncut emerald crystal was found in 1967 and named after the mining district where it was found. It is rare to find a crystal of this size and color.
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