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Book Your Virtual ConsultationA beautiful and rare GeorgianJewellery made in the Georgian era (1714-1830). More brooch that can also be worn as a pendant. It was made circa 1820 and has been set with a specimen fern agateA variety of cryptocrystalline quartz (chalcedony), typically banded in appearance. The use of agate in jewellery dates back to the Stone Age. More. Fern or moss agates were extremely popular in Georgian jewellery. No two agates are exactly alike. Over the years they have been referred to as either tree, picture or landscape agates due to the naturalistic patterns they portray. Ironically, they are not true agates but, instead, range from a translucent colourless to whitish-grey variety of chalcedonyA microcrystalline type of quartz occurring in several different forms including onyx and agate. More quartzQuartz is a silicon oxide with the various colours being derived from metallic oxides. Varieties include amethyst, citrine and smoky. More, with markings known as dendrites, which derives from the Greek word “dendron” for tree. The plant-like structures in black and brown display an organic appearance, but the markings are actually inclusions with traces of iron or manganese, which crystallise inside the agate’s fine surface fractures and create the branch and single tree, or multiple woodsy, motifs. The fern agate is surrounded by naturalA natural stone is called such because it has not been subjected to any treatments. More split pearls. Above is an urn set with small rose diamonds.
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