Jura Marmor Limestone
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Synonyms: Altenbuerger, Altenbuerger Kalkstein, Altenbuerger Marmor, Eichstaetter Juramarmor, Eichstaetter Marmor, Fossilstone, Hampton, Jura, Jura Limestone, Jura Marble, Jura-Marmor, Jura Kalk, Jura-Kalk, Jurakalk, Juramarmor, Marbre Jurassique, Marmo Giurassico, Rehlinger, Rehlinger Jura Marmor, Rehlinger Kalkstein
Location: Jura limestone is quarried near Eichstätt, Gundelsheim, Kaldorf, Moehren, Pappenheim, Rehlingen, Rothenstein, Solnhofen, Treuchtlingen, Weissenburg, Altmuehltal, Fraenkische Alb, Bayern, Germany. There are several different quarries of Jura limestones mostly varying in colour and size.
Description: Jura Limestone is a commercial name for a yellow to grey limestone of the Jurassic period, one of Germany's most well-known natural stones. This stone internationally may be nominated as a marble but in the area of application of the European Standard this stone must be nominated as limestone.
The following colours are available Jura Gelb (Jura Gold/Yellow), Jura Gemischtfarbig (Jura Mixed Colour) and Jura Grau (Jura Grey). The "normal" colour of Jura Marmor limestone is grey but through the influence of iron-bearing water the grey colour often changes into yellow.
A small sample of Jura limestone is not representative owing to a variation in veining. Swatch samples must be approved for large projects to ensure that the blocks are all extracted from the same quarry face for matching purposes. Jura limestone is ideal for both interior and exterior use and frost resistant however polish is only constant inside.
Mineral Composition: Average by %:
Limestone: A sedimentary rock, mainly composed of mineral calcite. The primary source of the calcite is usually marine organisms, which settle out of the water column and are deposited on the ocean floors as pelagic ooze (but see lysocline for information on calcite dissolution). Secondary calcite may also be deposited in super-saturated meteoric waters, as is evidenced by the creation of stalagmites and stalactites.