Premium Recommendation -Snow Mountain Stone Iron Meteorite

*本次藏品：雪山石铁陨石 *

典藏尺寸：重：21.5kg长：35cm

雪山石铁陨石是陨石家族中极为罕见的一类，仅占陨石总量的 2%~4%，却因其同时包含铁镍金属与硅酸盐矿物的独特组成，成为揭示太阳系早期物质分异的关键样本。雪山石铁陨石作为此类陨石的典型代表，其物质构成犹如一部记录宇宙化学演化的 “百科全书”。

雪山石铁陨石中的金属相主要由铁纹石（Fe）和镍纹石（Ni-Fe 合金）构成，其中镍含量通常在 5%~15% 之间，这是区分陨石与地球岩石的关键标志 —— 地球岩石中镍含量极低，几乎可忽略不计。雪山石铁陨石的金属相中，铁镍合金不仅是构成其致密结构的 “骨架”，更记录了陨石母体在小行星带中经历的热演化历史。

电子探针微区分析显示，雪山石铁陨石的金属相中还含有微量的钴（Co）、磷（P）、硫（S） 等元素，这些 “杂质” 并非偶然存在，而是太阳系早期物质混合与分异的 “化学指纹”。例如，磷元素的存在暗示了陨石母体曾经历过局部熔融过程，而硫则可能以硫化物的形式与金属相共生，反映了还原环境下的物质交换。

与金属相交织共生的硅酸盐相，是雪山石铁陨石中另一个充满故事的 “宇宙遗迹”。其主要矿物为橄榄石和辉石，其中橄榄石的成分为 (Mg,Fe)₂SiO₄，颜色从黄绿到橄榄绿不等，在陨石切片中常呈现出晶莹剔透的颗粒状，被金属相包裹时宛如 “星际翡翠” 镶嵌于银白基质之中。

雪山石铁陨石的硅酸盐相中，氧化镁（MgO） 含量高达 10.77%，远高于普通小行星带陨石的 4%~6.5% 区间，这种异常富集暗示其母体可能是一颗经历过特殊热化学分异的小行星。而氧化锰（MnO） 含量 8.61% 的发现更是意义非凡 —— 锰元素不仅存在于硅酸盐相，还在金属相和硫化物相中分布，这种跨相的元素迁移，为研究陨石形成过程中的物理化学条件提供了敏感的示踪剂。

在显微镜下，雪山石铁陨石的内部结构呈现出金属与硅酸盐的精妙共生：银白色的铁镍金属网络如河流般穿梭于橄榄石和辉石的晶体之间，形成独特的 “金属网脉” 结构。这种结构是陨石母体在小行星内部经历部分熔融与混合后快速冷却的直接结果，每一条金属纹理、每一颗矿物晶粒，都镌刻着太阳系早期天体演化的 “时间印记”。

尤为珍贵的是，雪山石铁陨石中可能保存着前太阳系颗粒—— 这些微小的矿物颗粒形成于太阳诞生之前的恒星际空间，被陨石母体捕获后得以保存至今。它们是人类目前能接触到的最古老的物质之一，对其进行研究，有望揭开恒星演化与太阳系起源的终极奥秘。

The Snow Mountain Stone Iron Meteorite belongs to an extremely rare category within the meteorite family, accounting for only 2% to 4% of the total meteorite quantity. However, due to its unique composition that contains both iron-nickel metals and silicate minerals, it has become a key sample for revealing the material differentiation of the early solar system. As a typical representative of this type of meteorite, the Snow Mountain Stone Iron Meteorite’s material composition is like an "encyclopedia" that records the chemical evolution of the universe.

The metallic phase of the Snow Mountain Stone Iron Meteorite is mainly composed of kamacite (Fe) and taenite (Ni-Fe alloy), with a nickel content usually ranging from 5% to 15%. This is a key marker distinguishing meteorites from Earth rocks—nickel content in Earth rocks is extremely low, almost negligible. In the metallic phase of the Snow Mountain Stone Iron Meteorite, the iron-nickel alloy not only serves as the "framework" for its dense structure but also records the thermal evolution history of the meteorite’s parent body in the asteroid belt.

Electron probe microanalysis shows that the metallic phase of the Snow Mountain Stone Iron Meteorite also contains trace elements such as cobalt (Co), phosphorus (P), and sulfur (S). These "impurities" do not exist by chance; instead, they are "chemical fingerprints" of material mixing and differentiation in the early solar system. For example, the presence of phosphorus suggests that the meteorite’s parent body once underwent a partial melting process, while sulfur may coexist with the metallic phase in the form of sulfides, reflecting material exchange in a reducing environment.

The silicate phase, which is intertwined and coexistent with the metallic phase, is another "cosmic relic" full of stories in the Snow Mountain Stone Iron Meteorite. Its main minerals are olivine and pyroxene. The composition of olivine is (Mg,Fe)₂SiO₄, with colors ranging from yellow-green to olive green. In meteorite slices, it often appears as translucent granular crystals; when wrapped by the metallic phase, it resembles "interstellar jade" inlaid in a silvery-white matrix.

The silicate phase of the Snow Mountain Stone Iron Meteorite has a magnesium oxide (MgO) content as high as 10.77%, far exceeding the 4% to 6.5% range of ordinary asteroid belt meteorites. This abnormal enrichment implies that its parent body may have been an asteroid that underwent special thermochemical differentiation. The discovery of an 8.61% manganese oxide (MnO) content is even more significant—manganese exists not only in the silicate phase but also in the metallic and sulfide phases. This cross-phase element migration provides a sensitive tracer for studying the physical and chemical conditions during the meteorite’s formation.

Under a microscope, the internal structure of the Snow Mountain Stone Iron Meteorite exhibits an exquisite symbiosis between metal and silicate: a silvery-white iron-nickel metal network shuttles between olivine and pyroxene crystals like rivers, forming a unique "metallic veining" structure. This structure is a direct result of the meteorite’s parent body undergoing partial melting and mixing inside the asteroid, followed by rapid cooling. Every metallic texture and every mineral grain is engraved with the "time stamp" of the early celestial evolution of the solar system.

Particularly precious is that the Snow Mountain Stone Iron Meteorite may contain pre-solar grains—these tiny mineral particles formed in the interstellar space before the birth of the Sun and were preserved to this day after being captured by the meteorite’s parent body. They are among the oldest materials accessible to humans; studying them is expected to unlock the ultimate mysteries of stellar evolution and the origin of the solar system.

*本次藏品：雪山石铁陨石 *

典藏尺寸：重：21.5kg长：35cm

雪山石铁陨石的诞生，是一场跨越数十亿年、涉及多个天体事件的宇宙 “剧本”。其形成过程可追溯至太阳系诞生之初的原始太阳星云，并经历了小行星母体的分异、天体碰撞、大气层灼烧等一系列惊心动魄的 “星际冒险”。

雪山石铁陨石被认为起源于小行星或行星胚胎的核幔边界区域。在太阳系形成早期，原始星云物质聚集形成小行星后，内部因放射性元素衰变产生的热量逐渐积累，导致天体发生热分异：重的铁镍物质向中心沉降形成 “金属核”，轻的硅酸盐物质上浮形成 “岩石幔”。而石铁陨石则是这两个区域物质发生部分熔融、混合后形成的 “过渡带产物”。

雪山石铁陨石的高镁、高锰特征，暗示其母体可能是一颗在小行星带中较为罕见的分化小行星，其内部热演化程度足以让金属与硅酸盐发生大规模物质交换，但又未完全分化为铁陨石（纯金属核）和石陨石（纯硅酸盐幔）。这种 “未完成的分异”，使其成为研究小行星内部结构与热历史的绝佳样本。

即便在形成核幔边界的混合物质后，雪山石铁陨石的 “星际旅程” 仍未结束。在小行星带中，天体间的高速碰撞是常态 —— 当一颗小行星被其他天体撞击破碎时，其内部核幔边界的石铁物质便会被抛射进入宇宙空间，成为流浪的 “星际岩石”。

这场碰撞不仅是物质的 “解放者”，更是物质的 “改造者”。撞击产生的高温高压会使陨石表面熔融，形成一层薄薄的熔壳；同时，碰撞产生的碎块在宇宙空间中继续碰撞、融合，最终形成具有不规则形状的陨石个体。雪山石铁陨石表面的气印和流纹，便是这场 “宇宙车祸” 留下的直接印记。

当雪山石铁陨石的碎块被地球引力捕获后，便开始了其旅程的最后阶段 ——穿越地球大气层。以约 14 公里 / 秒的速度进入大气层时，陨石与空气剧烈摩擦，表面温度瞬间升至数千摄氏度，导致外层物质熔融、气化，形成黑色熔壳和表面的气印（因气体受热膨胀逃逸形成的凹坑）。

在这个过程中，陨石的形状也会因空气动力作用而改变，形成流线型的外观。部分较大的陨石在穿越大气层时还会发生空爆，分裂为多个碎块散落地面，形成 “陨石雨”。雪山石铁陨石能完整陨落并保存至今，实属宇宙事件与地球环境共同作用的幸运结果。

从古代人类将陨石视为 “天石”“神谕”，到现代将其作为宇宙探索的 “勋章”，陨石始终承载着人类对未知世界的敬畏与好奇。雪山石铁陨石作为来自雪山之巅的 “星际使者”，其名称本身就充满了 “冰与火”（雪山的冷寂与陨石的炽热）的诗意碰撞，成为收藏者眼中 “宇宙浪漫主义” 的具象化表达。

对于天文爱好者和科普工作者而言，雪山石铁陨石是最生动的 “宇宙教材”—— 它能直观地向人们展示太阳系的物质组成，激发公众对太空探索的兴趣，其文化教育价值难以用金钱衡量。作为不可再生的宇宙资源，雪山石铁陨石的收藏具有保值增值的潜力。随着人类对太空探索的深入和陨石研究的发展，其科研价值和文化价值将不断被挖掘，市场认知度也会持续提升。

The birth of the Snow Mountain Stone Iron Meteorite is a cosmic "script" spanning billions of years and involving multiple celestial events. Its formation process can be traced back to the primordial solar nebula at the dawn of the solar system, and it has undergone a series of thrilling "interstellar adventures"—including differentiation of the asteroid parent body, celestial collisions, and scorching through Earth’s atmosphere.

The Snow Mountain Stone Iron Meteorite is believed to originate from the core-mantle boundary region of an asteroid or planetary embryo. In the early stages of the solar system’s formation, after primordial nebular materials accumulated to form asteroids, heat generated by the decay of radioactive elements gradually built up inside these celestial bodies, triggering thermal differentiation: dense iron-nickel materials sank toward the center to form a "metallic core," while lighter silicate materials floated upward to form a "rocky mantle." Stone iron meteorites, meanwhile, are "transitional zone products" formed by partial melting and mixing of materials from these two regions.

The high magnesium and high manganese characteristics of the Snow Mountain Stone Iron Meteorite suggest that its parent body may have been a differentiated asteroid—rare in the asteroid belt—whose internal thermal evolution was sufficient to drive large-scale material exchange between metals and silicates, yet did not fully differentiate into iron meteorites (pure metallic core) and stony meteorites (pure silicate mantle). This "unfinished differentiation" makes it an exceptional sample for studying the internal structure and thermal history of asteroids.

Even after forming as mixed material at the core-mantle boundary, the "interstellar journey" of the Snow Mountain Stone Iron Meteorite was far from over. High-speed collisions between celestial bodies are common in the asteroid belt: when an asteroid is shattered by an impact from another celestial body, the stone iron material at its internal core-mantle boundary is ejected into cosmic space, becoming "wandering interstellar rocks."

This collision was not only a "liberator" of matter but also a "transformer." The extreme high temperature and pressure generated by the impact melt the meteorite’s surface, forming a thin fusion crust; at the same time, the fragments produced by the collision continue to collide and merge in cosmic space, eventually forming irregularly shaped individual meteorites. The gas pits and flow lines on the surface of the Snow Mountain Stone Iron Meteorite are direct traces left by this "cosmic crash."

When fragments of the Snow Mountain Stone Iron Meteorite are captured by Earth’s gravity, they embark on the final stage of their journey—traversing Earth’s atmosphere. Entering the atmosphere at a speed of approximately 14 kilometers per second, the meteorite rubs violently against the air, causing its surface temperature to soar to several thousand degrees Celsius in an instant. This melts and vaporizes the outer material, forming a black fusion crust and surface gas pits (depressions created by the escape of heated, expanding gas).

During this process, the meteorite’s shape is also altered by aerodynamic forces, resulting in a streamlined appearance. Some larger meteorites may even explode in the air while passing through the atmosphere, splitting into multiple fragments that scatter across the ground and forming a "meteorite shower." The fact that the Snow Mountain Stone Iron Meteorite has fallen to Earth intact and been preserved to this day is a fortunate outcome of the combined effects of cosmic events and Earth’s environment.

From ancient humans regarding meteorites as "heavenly stones" or "divine oracles" to modern humans viewing them as "medals" of cosmic exploration, meteorites have always carried humanity’s awe and curiosity about the unknown world. As an "interstellar messenger" from the summit of snow-capped mountains, the Snow Mountain Stone Iron Meteorite’s name itself embodies a poetic collision of "ice and fire"—the cold tranquility of snow-capped mountains and the intense heat of meteorites—making it a concrete expression of "cosmic romanticism" in the eyes of collectors.

For astronomy enthusiasts and science popularizers, the Snow Mountain Stone Iron Meteorite is the most vivid "cosmic textbook": it intuitively demonstrates the material composition of the solar system, inspires public interest in space exploration, and its cultural and educational value is immeasurable in monetary terms. As a non-renewable cosmic resource, the collection of the Snow Mountain Stone Iron Meteorite has the potential to preserve and increase in value. With the deepening of human space exploration and the advancement of meteorite research, its scientific and cultural value will continue to be explored, and its market recognition will also rise steadily.

*本次藏品：雪山石铁陨石 *

典藏尺寸：重：21.5kg长：35cm

以上藏品相关信息请与：四川尚亿拍卖有限公司联系。 

For information about the above collections, please contact: Sichuan Jun Zailai Auction Group Co.