Pyrite[2]
Overview
Pyrite is the most abundant sulfide mineral, forming in sedimentary, metamorphic, and igneous rocks worldwide. Its name derives from the Greek 'pyr' (fire), as it emits sparks when struck. Although often mistaken for gold due to its color, pyrite lacks gold's malleability and density. Historically, pyrite was used in early firearms (wheel locks) and as a source of sulfur before modern extraction methods. Today, it's primarily valued industrially for its sulfur content, though some specimens are collected for their cubic crystal habit and metallic luster.
Physical and Chemical Properties
Pyrite crystallizes in the isometric system, typically forming perfect cubes or pyritohedrons. It has a conchoidal fracture and greenish-black streak. Unlike gold, pyrite is brittle and hard enough to scratch glass. Chemically, pyrite oxidizes easily when exposed to air and moisture, forming iron oxides and sulfuric acid—a process contributing to acid mine drainage. Its semiconductor properties and high thermal stability make it relevant in emerging technologies like photovoltaic cells.
Main Applications
Over 90% of mined pyrite is used to produce sulfur dioxide for sulfuric acid manufacturing, essential for fertilizers and chemicals. In metallurgy, pyrite serves as a low-grade iron ore when high-purity ores are unavailable. Recent applications include cathode material in lithium-ion batteries due to its high theoretical capacity. Collectors prize well-formed crystals, while polished pyrite 'sun' discs from Spain are popular decorative items. Historically, it was ground for pigments (marcasite jewelry actually uses pyrite).
Safety and Storage
Pyrite requires careful handling due to its dust inhalation risks and potential to generate acidic runoff. Industrial storage mandates sealed containers in dry areas, away from oxidizers and acids. When pyrite-bearing rock is used in construction (e.g., pyritic shale), it can cause structural damage through oxidation-induced expansion. Large stockpiles should be monitored for spontaneous heating from exothermic reactions.
B2B Procurement Guide
Industrial buyers should specify sulfur content (typically 53.4% in pure FeS₂) and limit impurities like arsenic. Bulk shipments require moisture control to prevent acid formation during transit. For specimen-grade pyrite, factors include crystal size (1–5 cm command premiums), lack of oxidation stains, and locality (Peruvian and Spanish pyrites are highly valued). Always request material safety data sheets (MSDS) for hazardous substance compliance.
Related Manufacturers
- 主营：增硫剂、除铜剂、配重铁、硫化铁、晶体状、硫铁矿、包芯线、24目砂轮、还原铁粉、地区砂轮、地区雕刻、耐磨地坪、钛合金砂、硅铁自然、树脂砂轮、硫化亚铁、地区磨料、锂电池阴极、高纯度硫铁、铁黄铁矿粉、地坪金刚砂、地区配重矿、云母氧化铁、特种钢冶炼、高纯度硫精砂
- 主营：硫化铁矿、黄铁矿、冶炼铸造炉料、增硫剂
- 主营：金刚砂、高强度玻璃微珠、玻璃砂、硫化铁、耐磨地坪材料、石英砂、玻璃微珠
- 主营：棕刚玉 白刚玉、氧化铁颜料、云母、硫化铁、复合岩片、金刚砂耐磨地坪材料、鹅卵石雨花石、金刚砂、夜光石、免洗树脂水洗石开通即、棕刚玉砂 微粉、煅烧彩砂、石英砂、硅微粉 石英粉、碳酸钙、玻璃微珠、海泡石纤维、玻璃微粉、树脂砂 悬浮砂、反射隔热粉、碳粉、负氧离子液
- 主营：钛白粉、金刚砂、鹅卵石、硫化铁、高岭土、萤石粉、赤铁粉、空心漂珠、负离子球、重晶石粉、纤维喷涂棉、导电云母粉、海泡石纤维、晶体电气石、滑石粉、焦炭、金刚砂地坪料、合成云母粉、面包铁、灰漂珠、石英粉、氧化铁颜料、酞菁颜料、硅灰石粉、氧化钍、导电粉
- 主营：硫化铁、精细化工品、有机中间体
- 主营：贝壳粉、低导热、食用菌、硫化铁、玉米芯、杨木粉、填充剂、白沙子、玻璃砂、玛瑙石、远红外、夜光石、萤石粉、河滩石、火山石、云母粉、白木粉、紫水晶、金刚砂、菊花紫、硅藻土、石英粉、电气石、鹅卵石、石英砂、雨花石
- 主营：杀菌剂、除磷剂、保养剂、聚合硫化铁、絮凝剂、还原剂、清灰剂、冷凝器、消泡剂、粘泥剥、臭味剂、循环水、换热器、除垢剂、锅炉炉、冷冻水、清洗剂、阻垢剂、降碱剂、预膜剂、缓蚀剂、除氧剂、脱氧剂、锅炉水、ph调节剂、蒸汽锅炉
- 主营：海泡石、硬脂酸、喷涂棉、硫化铁、白炭黑、碳酸钙、烧结彩砂、矿物纤维、橡胶粉、燃烧颗粒、夜光石、高岭土、陶瓷颗粒、石英砂、蛭石、染色彩砂、玻璃砂、铝矾土、岩片、云母、珍珠岩、滑石粉、白云石、膨润土、氧化钙、石灰
- 主营：硅藻土、碳酸钙、铁砂、硫化铁、金刚砂、铁粉、氢氧化钙、氧化钙、滑石粉、煅烧滑石粉、膨润土、黄土红土、硅灰、活性白土、石英粉、高岭土、煅烧高岭土、沸石粉、莫来砂、珍珠岩粉、贝壳粉、凹凸棒土、远红外粉、玻璃粉、萤石粉
- 主营：偏钒酸钠、还原铁粉、次磷酸钠、硫化铁、金属有机物、二水氯化铜、对二氯苄、次磷酸、黄血盐钾、黄血盐钠、氟化钾、氟化钠、红丹粉、黄丹粉、硫氰酸钠、硫氰酸钾、乙二胺四乙酸二钾
- 主营：铁砂、铁粉、重钙、硫化铁、轻钙、氧化钙、白水泥、滑石粉、膨润土、红土黄土、硅灰、硅藻土、活性白土、萤石粉、石英粉、重晶石粉、高岭土、沸石粉、莫来砂、珍珠岩粉、膨润土猫砂、赤铁粉、粉煤灰、锰砂、石英砂
- 主营：白炭黑、白僵菌、eva乳液、硫化铁市场价格、棕榈蜡、pvc发泡剂、聚碳酸酯、聚乙烯蜡、苯甲酸铵、t-31固化剂
- 主营：封口蜡、水杨酸、正辛烷、硫化铁油漆颜料、肉桂醇、珠光片、碳酸镁、肉桂醛、建筑料、磷酸铝、肉桂酸、戊二醛、切削液、叔丁醇、清洗剂、硫化钠、硫化钡、升硫醚、硫化钙、杀菌液、氯化锌、黄原胶、助染剂、椰子油、氯化锰、氧化锑
- 主营：蛋白胨、牛骨蛋白胨、福美钠、硫化铁供应商、强氯精、单乙醇胺、三乙醇胺、氯化铜、水玻璃、防辐射硫酸钡
- 主营：离子液体、5-二甲基吡唑、咪唑、硫化铁、催化剂、阻燃剂、正丁醇锆、四氟硼酸锂、香兰基丁醚、氟化物、全氟辛基三甲氧基硅烷、丙酮肟、双酚E型氰酸酯、叔丁基乙烯基醚、钯碳催化剂、钛硅分子筛、硫酸烟酰苯胺、丙酮缩氨基硫脲