N.º 103674887

Libéria. 25 Dollars 2020 With peel off opal (Sem preço de reserva)
N.º 103674887

Libéria. 25 Dollars 2020 With peel off opal (Sem preço de reserva)
Liberia 25 Dollars 2020 0.5g Gold with opal
Observe
Coat of Arms of Liberia divides date
Reverse
Maori designs, opal insert.
Composition Gold (.9999) (With peel off opal
Weight 0.5 g
Diameter 11 mm
Shape Round
Opal is a hydrated amorphous form of silica (SiO2·nH2O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to the amorphous (chemical) physical structure, it is classified as a mineraloid, unlike crystalline forms of silica, which are considered minerals. It is deposited at a relatively low temperature and may occur in the fissures of almost any kind of rock, being most commonly found with limonite, sandstone, rhyolite, marl, and basalt.
With CoA
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