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全部拍賣 / Ethnographic / 81g Crazy Lace Agate Skull – Collector's Piece – The...


In Chihuahua, in the north of Mexico, this agate has a folk name: Piedra de la Risa – the stone of laughter. It is traditionally handed down to people who are going through a difficult time, with the hope of bringing a little lightness back into their days. Its unruly, dancing bands, as it is said, reflect laughter itself – never straight, sometimes abruptly cut off, sometimes relentlessly swelling, always deprived of the expectation of order. This character is evident in this skull in its full consequence: millimeter by millimeter the bands lay over each other and create a depth that the eye hardly allows to rest, while the white-to-gray is repeatedly broken by red planes and intensified in its effect. Broken, almost rugged surfaces lie directly next to impeccably preserved structures, semi-transparent zones beside almost mirror-like areas – as uneven as true laughter itself runs: sometimes rough and torn, sometimes smooth and unbroken, but never in just one register. Mineralogically, Crazy Lace Agate is a banded chalcedony variety (cryptocrystalline quartz) that formed in gas bubble cavities of volcanic rock. The material is about 65 to 90 million years old, dating from the Cretaceous period, and is found worldwide exclusively in the Chihuahua region of Mexico. The strong red, orange, and yellow tones arise from iron and aluminum inclusions. Material: Mexican Crazy Lace Agate – banded chalcedony (cryptocrystalline quartz) Origin: Chihuahua, Mexico Measurements: 4.9 x 3.5 x 3.3 cm Weight: 81 g Special features: Extremely fine, millimeter-precise banding with a strong white-gray-red contrast; alternating between broken and flawless as well as semi-transparent and reflective surfaces
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