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  2. 8 Antique Pieces That'll Increase in Value in 2025, According ...

    www.aol.com/8-antique-pieces-thatll-increase...

    Antiques are always in style, but some have major resale value too. Here are the most valuable antiques for 2025 and beyond. 8 Antique Pieces That'll Increase in Value in 2025, According to Experts

  3. Snettisham Hoard - Wikipedia

    en.wikipedia.org/wiki/Snettisham_Hoard

    In 1985 there was also a find of Romano-British jewellery and raw materials buried in a clay pot in AD 155, the Snettisham Jeweller's Hoard.Though it has no direct connection with the nearby Iron Age finds, it may be evidence of a long tradition of gold- and silver-working in the area.

  4. Quartz reef mining - Wikipedia

    en.wikipedia.org/wiki/Quartz_reef_mining

    The gold was brought to the surface as small particles embedded in lumps of quartz. The quartz was then crushed into a fine dust by stamping batteries in a stamp mill. A stamp battery contained a row of stamps. On the bottom of each stamp was a heavy piece of iron or steel. Each battery was driven by a cam shaft which was turned by a water ...

  5. Stirling torcs - Wikipedia

    en.wikipedia.org/wiki/Stirling_torcs

    The Stirling torcs [2] make up a hoard of four gold Iron Age torcs, a type of necklace, all of which date to between 300 and 100 BC and which were buried deliberately at some point in antiquity. They were found by a metal detectorist in a field near Blair Drummond , Perthshire , Scotland on 28 September 2009.

  6. Treasure of Villena - Wikipedia

    en.wikipedia.org/wiki/Treasure_of_Villena

    Treasure of Villena as a whole. The Treasure of Villena (Spanish: Tesoro de Villena) is one of the greatest hoard finds of gold of the European Bronze Age.It comprises 59 objects made of gold, silver, iron and amber with a total weight of almost 10 kilograms, 9 of them of 23.5 karat gold.

  7. Ironstone's Crown Jewel - Wikipedia

    en.wikipedia.org/wiki/Ironstone's_Crown_Jewel

    Along with other gold-heavy quartz pieces, the gold was first believed to be bits of damaged machinery. A number of days later, the materials were examined and found to be full of gold. The “Crown Jewel” was the largest of the pieces, weighing in at 60 lb troy (22.4 kg). [4] The finding of the gold was reported by The National Enquirer. [5]

  8. Bisects and splits - Wikipedia

    en.wikipedia.org/wiki/Bisects_and_splits

    Mexico 1861 8 reales stamp, quartered for use as 2 reales value, with San Luis Potosí cancellation [1]. Bisects and splits refer to postage stamps that have been cut in part, most commonly in half, but also other fractions, and postally used for the proportionate value of the entire stamp, such as a two cent stamp cut in half and used as a one cent stamp. [2]

  9. Quartz crystal microbalance - Wikipedia

    en.wikipedia.org/wiki/Quartz_crystal_microbalance

    A widely used temperature-compensated cut of quartz is the AT-cut. Careful control of temperature and stress is essential in the operation of the QCM. AT-cut crystals are singularly rotated Y-axis cuts in which the top and bottom half of the crystal move in opposite directions (thickness shear vibration) [33] [34] during oscillation. The AT-cut ...