Rose quartz coasters in gift set with 4 pieces.

Rose quartz coasters in gift set with 4 pieces.

American Bald Eagle XXL engraved in agate.

American Bald Eagle XXL engraved in agate.

Rock crystal coasters in gift set with 4 pieces.

Beautiful gemstone discs with a luxurious "golden edge" and a beautiful high gloss. Packed in a beautiful gift set. Introduced by us in Europe in 2018, and now a classic in our range. New are the silicone protective dots on the bottom.
Availability: In stock
SKU
11179
  • Buy 3 for €79.00 each and save 11%
Rock crystal is the colorless and most common variant of the mineral quartz (silicon dioxide, SiO2). The name 'rock crystal' is derived from the Greek word "Krustallos" which means ice. Rock crystal was believed to be ice molded by the gods. Rock crystal was already known in the Mesolithic era. During the Roman period, it was marketed from the Alps under the name "petrified ice". Theophratus called it "krystallos". Pliny the Elder also mentions it. The name "quartz" was introduced by Georgius Agricola in 1529. The peoples of the East regarded rock crystal as a stone of patience and perfection. Tibetans use rock crystal to treat wounds. The choice of rock crystal as a drinking glass or as part of medieval jewelry can be are attributed to the belief that these crystals would break or discolor when in contact with poison. Thus the chain became an amulet that protected the king. Compare the Rudolphin Imperial Crown and the chain of the Jehovah's Order. Origin: Meganites, pegmatites, hydrothermal and alpine rock veins, alluvial deposits Appearance: Rock crystal is widespread in nature, but not always in gem quality Historically known sites are India and Sri Lanka (near Tatnaputi) Iridescent quartz from the Poona region of India and from Myanmar is a rarity Beautiful crystals come from Kenya and Madagascar, also from Brazil (Minas Gerais), Goisa s, Bahia and French Guiana. In the US, rock crystal occurs in pegmatites, including in Maine (near Ausburn, New York, North Carolina, Arkansas (Crystal Peak) and California. Of particular significance are occurrences in the Alps. Rock crystals are found in Switzerland (e.g. at Urim where a crystal of 135 kg was found in the area of ​​the Saint Gotthard and of the Grimsel), in Austria (in 1965 a crystal of almost 1000 kg was found in a cavity near the Grozligglockner). Czech Republic, Poland and France The collections of various museums contain unique cut rock crystals.The Smithsonian Institution Washington possesses a cut stone of 7000 kt and a sphere of rock crystal with a diameter of 33 cm and a weight of 48.5 kg; these comes from Burma and is polished in China.

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Dimensions 85-110mm
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