Manuel Quiring

化石拍賣

美丽的抛光菊石化石切片——自然螺旋几何之美 -

这块惊艳的菊石化石切片展示了自然设计的永恒之美。经切割与抛光，揭示其复杂的内部腔室，色调温暖，呈琥珀色、蜂蜜色与奶油色，伴随天然晶体和矿物质纹理。螺旋纹理清晰醒目，非常适合家居装饰、收藏家柜或作为送给化石爱好者的独特礼物。

这是属于菊石的已灭绝头足类软体动物。它生活在上侏罗纪（约1.72亿到1.49亿年前），化石在全球各大洲均有发现。
它们是海生动物，外壳主要由碳酸钙以文石（菱方晶）形式组成，部分为有机蛋白质物质（壳质素Conchiolin）。贝壳内部被隔板分成若干腔室，动物仅占据最后一个腔室（生腔），其他形成的隔室则组成带有空气的肺腔结构，用于调控生物的浮力。腔室内的液体压力由一根薄而富血管化、部分矿化的管状有机结构（虹吸管）控制，贯穿所有隔板，使动物的血液和软组织与腔室之间通过渗透过程实现液体交换。

请注意：展示底座不包含在内

Beautiful Polished Ammonite Fossil Slice – Natural Spiral Geometry -
This stunning ammonite fossil slice showcases the timeless beauty of nature’s design. Cut and polished to reveal its intricate internal chambers, the piece displays warm tones of amber, honey, and cream with naturally occurring crystal and mineral textures. The spiral pattern is sharp and eye-catching, making it perfect for home décor, a collector’s cabinet, or as a unique gift for fossil lovers.

This is an extinct cephalopod mollusc belonging to the ammonites. It lived in the Upper Jurassic (172-149 million years ago), and its fossil remains are found on all continents.
These are marine animals, characterized by an external shell composed mainly of calcium carbonate, in the form of aragonite, and partly of an organic substance of a protein nature (conchiolin). The shell was internally divided by septa into several chambers, of which the mollusc occupied only the last (living chamber). The others, which made up the phragmocone (chambered part of the shell), were used as "air chambers" (similarly to the current Nautilus), filled with gas and chamber liquid to control the buoyancy of the organism. The pressure of the chamber fluids was controlled by a thin, richly vascularized, partly mineralized tubular organic structure (the siphon), which passed through all the septa and allowed the exchange of fluids from the blood and soft tissues of the animal to the chambers through a process of osmosis.
Pleas note: THE DISPLAY STAND IS NOT INCLUDED


菊石亞綱 - 動物化石 - Aioloceras (Cleoniceras) sp. - 12 cm  (沒有保留價)

白堊紀，下 (14500 - 10050 萬年) - 馬達加斯加

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Aioloceras (Cleoniceras) sp. 菊石標本，來自馬達加斯加，白堊紀下部（約145–100.5 百萬年前），自然狀態，已打磨並保存，高度12.0公分，原廠/官方。

菊石亞綱 - 動物化石 - Aioloceras (Cleoniceras) sp. - 12 cm (沒有保留價)

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Aioloceras (Cleoniceras) sp. 菊石標本，來自馬達加斯加，白堊紀下部（約145–100.5 百萬年前），自然狀態，已打磨並保存，高度12.0公分，原廠/官方。

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