Gold Rings with Aventurine Quartz and Green Paste Stones

Two stone set rings; one in 9ct gold diagonally set with an…
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Two stone set rings; one in 9ct gold diagonally set with an oval cabochon aventurine quartz, top size 18 x 15 mm, size L, wt. 4.9g, other pierced gilt top set with green paste, missing 6 stones, on an earlier 9ct gold ring mount, top size 26 x 18 mm, size O, wt. 6.8g.

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  • Aventurine Quartz - Aventurine quartz is a variety of quartz that contains small sparkling mineral inclusions, typically of mica or hematite. The inclusions give the stone a shimmering or glittering effect, making it a popular choice for jewellery. It is found in various colours, including green, blue, brown, and red, with green being the most common. The green colour is due to the presence of fuchsite, a type of mica.

    In jewellery making, aventurine quartz is often used for beads, pendants, and cabochons. It can be cut into various shapes and sizes and can be polished to a high shine. Aventurine quartz is also popular in tumbled stone form for use in necklaces, bracelets, and other jewellery.
  • Paste / Rhinestone / Diamante - Paste (or rhinestone or diamante) is the name given to a coloured glass composition used for imitation gemstones, or to imitation gemstones made of glass.

    Although the technique of glassmaking had been known for thousands of years, but it wasn't until a lead glass with similar optical properties to diamonds were invented by a German jeweller working in Paris (either "Stras" or 'Strasser") in the early 18th century that "paste" gemstones became popular.

    There was no social stigma attached to wearing imitation stones, and they were worn in situations where highway robbery was a possibility. The 18th century settings were of very high quality, equivilent to real gemstone jewellery.

    In the nineteeth century the quality of paste jewellery declined and it has remained the poor cousin to genuine gemstones ever since.
  • Cabochon Cut in Jewellery - A cabochon cut is a type of gemstone cutting where the stone is cut and polished in a convex shape with a flat bottom and a domed top, with no facets. This type of cut is typically used for opaque or translucent stones that have natural patterns or inclusions that are best displayed in this type of cut. Examples of stones that are often cut as cabochons include turquoise, opal, and moonstone.

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